Is MIDWEST TESTING LABORATORY, INC. active?

The North Dakota registry lists MIDWEST TESTING LABORATORY, INC. with a status of merged, as of the 2026-06-16 source snapshot. Status is republished verbatim from the Secretary of State record.

Where is MIDWEST TESTING LABORATORY, INC. registered?

MIDWEST TESTING LABORATORY, INC. is registered in North Dakota under company number 0000006483, registered 1975-09-08.

What type of company is MIDWEST TESTING LABORATORY, INC.?

MIDWEST TESTING LABORATORY, INC. is registered as a corporation with the North Dakota Secretary of State.

Where is MIDWEST TESTING LABORATORY, INC. registered to do business?

Beyond its North Dakota registration, linked records — same legal name plus a shared officer, agent, address or home state — appear in 3 other state registers, including 2 foreign qualifications in Minnesota, Montana. Each is listed in the filings section above.

How many employees does MIDWEST TESTING LABORATORY, INC. have?

MIDWEST TESTING LABORATORY, INC. has an estimated 58 employees as of plan year 2010 — a modeled figure derived from the retirement-plan participant counts in its DOL Form 5500 filings, not an official headcount.

Does MIDWEST TESTING LABORATORY, INC. offer a 401(k) plan?

Yes — Form 5500 filings with the Department of Labor show MIDWEST TESTING LABORATORY, INC. sponsors a 401(k) retirement plan, with reported plan assets of $2.4M. Filings span 2000–2010. Details are in the Form 5500 section above.

Does MIDWEST TESTING LABORATORY, INC. have UCC liens?

No UCC financing statements name MIDWEST TESTING LABORATORY, INC. as debtor in the indexed state registries.

What is the EIN of MIDWEST TESTING LABORATORY, INC.?

The Employer Identification Number (EIN) on record for MIDWEST TESTING LABORATORY, INC. is 450335181.

What public records are linked to MIDWEST TESTING LABORATORY, INC.?

6 public records are linked to MIDWEST TESTING LABORATORY, INC.: 1 in Filings, 2 in USDOT, 3 in 401(k) — matched across federal, state and municipal registers by its registered legal names.

Where does this data come from?

Every fact on this profile is republished from official public registers — Secretary of State filings, UCC indexes and federal datasets. Each section names its issuing register and the snapshot Netstate last retrieved (latest: 2026-06-16).

MIDWEST TESTING LABORATORY, INC. — North Dakota Corporation No. 0000006483: Merged, 1 filing

MIDWEST TESTING LABORATORY, INC. — North Dakota Corporation No. 0000006483: Merged, 1 filing — Netstate

Secretary of State Filings

4 registrations

0Active

4Inactive

0Unknown

State	Business name	Filed	Registered agent	Officers	Status
North DakotaTHIS	MIDWEST TESTING LABORATORY, INC.	1975-09-08	ND Secretary of State (N.D.C.C. § 10-01.1-13)	—	Merged
Filing ID 0000006483 Jurisdiction Domestic · Corporation Principal address 4102 7TH AVE N PO BOX 3042, FARGO, ND, 58108-3042, United States Registered agent ND Secretary of State (N.D.C.C. § 10-01.1-13)600 E BOULEVARD AVE DEPT 108, BISMARCK, ND, 58505-0500 Officers Not reported
Minnesota	Midwest Testing Laboratory, Inc.	2002-03-20	Corporation Service Company	Theodore EngelstadOfficer	Inactive

Montana	MIDWEST TESTING LABORATORY, INC.	2001-08-27	—	NORAL K THOMPSONOfficer, DirectorLEWIS D ISRAELDirector3 more	Withdrawn

North Dakota	MIDWEST TESTING LABORATORY, INC.	2010-08-26	ND Secretary of State (N.D.C.C. § 10-01.1-13)	—	Dissolved

USDOT

2 records

Source: FMCSA safer · FMCSA ubo·verified at source

State	USDOT No.	Operation	Power units	Drivers	Status
North Dakota	493245	—	4	—	PRIVATE PROPERTY
add date 19920806 business org desc CORPORATION business org id 3 carrier mailing city FARGO carrier mailing cnty 017 carrier mailing country US carrier mailing state ND carrier mailing street PO BOX 3042 carrier mailing zip 58108-3042 carship R classdef PRIVATE PROPERTY company officer 1 THEORDORE J ENGELSTAD company officer 2 LOEL M FETTING crgo cargoothr X crgo cargoothr desc MOUNTED DRILL RIG dot number 493245 driver inter total 0 dun bradstreet no 30008601 email address tamarston@terracon.com fax 7012829635 fleetsize C hm ind N legal name MIDWEST TESTING LABORATORY INC mcs150 date 20120524 1016 mcs150 mileage 30566 mcs150 mileage year 2009 mcs150 update code id 1 phone 7012829633 phy city FARGO phy cnty 017 phy country US phy omc region 08 phy state ND phy street 4102 7TH AVE N phy zip 58102 power units 4 prior revoke flag N safety inv terr 38 status code I total intrastate drivers 0 truck units 0 Source: FMCSA safer · document fmcsa-safer/493245
North Dakota	493245	—	—	—	Inactive

401(k)

14 records

Source: DOL Form 5500 series (EBSA) · DOL form 5500·verified at source

Employee-benefit plan filings by MIDWEST TESTING LABORATORY, INC. with the Department of Labor. Employee and revenue figures are modeled estimates derived from retirement-plan participant counts and industry ratios — not official headcount or reported revenue.

Employees (modeled)

≈58 · plan year 2010

Est. annual revenue (modeled)

$11.1M

Retirement plan assets

$2.4M

Benefit plans

401(k) plan on file

Filing history

11 plan years filed, 2000–2010

Sponsor EIN

45-0335181

$3.2M

2000

$4.5M

2001

$4.9M

2002

$5.1M

2003

$4.6M

2004

$6.6M

2005

$7.8M

2006

$8.7M

2007

$9.1M

2008

$9.9M

2009

$11.1M

2010

Modeled annual revenue for MIDWEST TESTING LABORATORY, INC. by plan year, estimated from Form 5500 participant counts.

Plan year	Employees (est.)	Participants	Plan assets	Revenue (est.)	401(k)
2010	≈58	52	$2.4M	$11.1M	401(k)
admin name MIDWEST TESTING LABORATORY, INC. ein 450335181 employees est 58 employer contrib usd 122171 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis total headcount suspect false is operating employer true last received 2011-09-13 naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MIDWEST TESTING LABORATORY, INC. participant contrib usd 232804 payroll est usd 3325771 plan assets usd 2399872 plan count 1 revenue est headcount usd 15096304 revenue est payroll usd 8181480 revenue est usd 11113510 signer name THEODORE ENGELSTAD state ND total participants 52 year 2010 Source: DOL Form 5500 series (EBSA) · plan year 2010 · EIN 45-0335181
2009	≈57	51	$1.8M	$9.9M	401(k)
admin name MIDWEST TESTING LABORATORY, INC. ein 450335181 employees est 57 employer contrib usd 100282 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis total headcount suspect false is operating employer true last received 2010-07-27 naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MIDWEST TESTING LABORATORY, INC. participant contrib usd 189267 payroll est usd 2703814 plan assets usd 1837546 plan count 1 revenue est headcount usd 14836023 revenue est payroll usd 6651450 revenue est usd 9933834 signer name THEODORE ENGELSTAD state ND total participants 51 year 2009 Source: DOL Form 5500 series (EBSA) · plan year 2009 · EIN 45-0335181
2008	≈51	43 (46 active)	$1.3M	$9.1M	401(k)
active participants 46 admin name SAME ein 450335181 employees est 51 employer contrib usd 92743 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MIDWEST TESTING LABORATORY INC participant contrib usd 177989 payroll est usd 2542700 plan assets usd 1257920 plan count 1 revenue est headcount usd 13274336 revenue est payroll usd 6255105 revenue est usd 9112210 signer name THEODORE J ENGELSTAD state ND total participants 43 year 2008 Source: DOL Form 5500 series (EBSA) · plan year 2008 · EIN 45-0335181
2007	≈46	36 (41 active)	$1.4M	$8.7M	401(k)
active participants 41 admin name SAME ein 450335181 employees est 46 employer contrib usd 77277 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MTL 401 K PLAN participant contrib usd 177924 payroll est usd 2541771 plan assets usd 1409286 plan count 1 revenue est headcount usd 11972931 revenue est payroll usd 6252820 revenue est usd 8652432 signer name THEODORE J ENGELSTAD state ND total participants 36 year 2007 Source: DOL Form 5500 series (EBSA) · plan year 2007 · EIN 45-0335181
2006	≈42	29 (38 active)	$1.1M	$7.8M	401(k)
active participants 38 admin name SAME ein 450335181 employees est 42 employer contrib usd 74234 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MTL 401 K PLAN participant contrib usd 159213 payroll est usd 2274471 plan assets usd 1074358 plan count 1 revenue est headcount usd 10931806 revenue est payroll usd 5595256 revenue est usd 7820886 signer name THEODORE J ENGELSTAD state ND total participants 29 year 2006 Source: DOL Form 5500 series (EBSA) · plan year 2006 · EIN 45-0335181
2005	≈34	32 (31 active)	$747,426	$6.6M	401(k)
active participants 31 admin name SAME ein 450335181 employees est 34 employer contrib usd 64476 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MTL 401K PLAN participant contrib usd 138115 payroll est usd 1973071 plan assets usd 747426 plan count 1 revenue est headcount usd 8849557 revenue est payroll usd 4853804 revenue est usd 6553931 signer name THEODORE J ENGELSTAD state ND total participants 32 year 2005 Source: DOL Form 5500 series (EBSA) · plan year 2005 · EIN 45-0335181
2004	≈37	36 (33 active)	$513,880	$4.6M	401(k)
active participants 33 admin name SAME ein 450335181 employees est 37 employer contrib usd 27452 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MIDWEST TESTING LABORATORY, INC. participant contrib usd 62260 payroll est usd 889429 plan assets usd 513880 plan count 1 revenue est headcount usd 9630401 revenue est payroll usd 2188016 revenue est usd 4590367 state ND total participants 36 year 2004 Source: DOL Form 5500 series (EBSA) · plan year 2004 · EIN 45-0335181
2003	≈37	35 (33 active)	$398,429	$5.1M	401(k)
active participants 33 admin name SAME ein 450335181 employees est 37 employer contrib usd 31338 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MIDWEST TESTING LABORATORY, INC participant contrib usd 77631 payroll est usd 1109014 plan assets usd 398429 plan count 1 revenue est headcount usd 9630401 revenue est payroll usd 2728202 revenue est usd 5125786 signer name SUSAN F. LARSON state ND total participants 35 year 2003 Source: DOL Form 5500 series (EBSA) · plan year 2003 · EIN 45-0335181
2002	≈36	39 (32 active)	$261,197	$4.9M	401(k)
active participants 32 admin name SAME ein 450335181 employees est 36 employer contrib usd 25924 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MIDWEST TESTING LABORATORY, INC participant contrib usd 71834 payroll est usd 1026200 plan assets usd 261197 plan count 1 revenue est headcount usd 9370120 revenue est payroll usd 2524477 revenue est usd 4863605 signer name THEODORE J. ENGELSTAD state ND total participants 39 year 2002 Source: DOL Form 5500 series (EBSA) · plan year 2002 · EIN 45-0335181
2001	≈34	41 (31 active)	$182,313	$4.5M	401(k)
active participants 31 admin name SAME ein 450335181 employees est 34 employer contrib usd 28193 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MIDWEST TESTING LABORATORY, INC participant contrib usd 64233 payroll est usd 917614 plan assets usd 182313 plan count 1 revenue est headcount usd 8849557 revenue est payroll usd 2257354 revenue est usd 4469517 signer name SUSAN LARSON state ND total participants 41 year 2001 Source: DOL Form 5500 series (EBSA) · plan year 2001 · EIN 45-0335181
2000	≈42	39 (38 active)	$37,218	$3.2M	401(k)
active participants 38 admin name SAME ein 450335181 employees est 42 employer contrib usd 11002 estimate method v1-uncalibrated-2026-08-17 final filings 0 first filings 0 has 401k true has pension plan true has welfare plan false headcount basis active headcount suspect false is operating employer true naics 541330 naics rpe level 541330 naics rpe usd 260281.1 name MIDWEST TESTING LABORATORY, INC. participant contrib usd 26335 payroll est usd 376214 plan assets usd 37218 plan count 1 revenue est headcount usd 10931806 revenue est payroll usd 925496 revenue est usd 3180777 state ND total participants 39 year 2000 Source: DOL Form 5500 series (EBSA) · plan year 2000 · EIN 45-0335181

Matched Form 5500 filing records:

Plan	Plan year	Participants	EIN
MTL 401(K) PLAN	—	—	—
ack id 20110913085506P040021803078001 admin ein 450335181 admin name MIDWEST TESTING LABORATORY, INC. business code 541330 date received 2011-09-13 filing status FILING_RECEIVED filing year 2010 form type 5500_SF pension benefit code 2E2F2G2J2K2T3D plan effective date 2000-01-01 plan name MTL 401(K) PLAN plan number 001 plan year begin date 2010-01-01 sponsor address1 4102 7TH AVENUE NORTH sponsor address2 — sponsor city FARGO sponsor dba name — sponsor ein 450335181 sponsor name MIDWEST TESTING LABORATORY, INC. sponsor phone 7012829633 sponsor state ND sponsor zip 58102 tax period 2010-12-31 total assets boy 1837546 total assets eoy 2399872 total participants boy 52 welfare benefit code — Source: DOL form 5500 · document dol-5500/
MTL 401(K) PLAN	—	—	—
ack id 20110913090446P040597977856001 admin ein 450335181 admin name MIDWEST TESTING LABORATORY, INC. business code 541330 date received 2011-09-13 filing status FILING_RECEIVED filing year 2010 form type 5500_SF pension benefit code 2E2F2G2J2K2T3D plan effective date 2000-01-01 plan name MTL 401(K) PLAN plan number 001 plan year begin date 2011-01-01 sponsor address1 4102 7TH AVENUE NORTH sponsor address2 — sponsor city FARGO sponsor dba name — sponsor ein 450335181 sponsor name MIDWEST TESTING LABORATORY, INC. sponsor phone 7012829633 sponsor state ND sponsor zip 58102 tax period 2011-01-31 total assets boy 2399872 total assets eoy 0 total participants boy 49 welfare benefit code — Source: DOL form 5500 · document dol-5500/
MTL 401(K) PLAN	—	—	—
ack id 20100727101102P030038381303001 admin ein 450335181 admin name MIDWEST TESTING LABORATORY, INC. business code 541330 date received 2010-07-27 filing status FILING_RECEIVED filing year 2009 form type 5500_SF pension benefit code 2E2F2G2J2K2T3D plan effective date 2000-01-01 plan name MTL 401(K) PLAN plan number 001 plan year begin date 2009-01-01 sponsor address1 4102 7TH AVENUE NORTH sponsor address2 — sponsor city FARGO sponsor dba name — sponsor ein 450335181 sponsor name MIDWEST TESTING LABORATORY, INC. sponsor phone 7012829633 sponsor state ND sponsor zip 58102 tax period 2009-12-31 total assets boy 1257920 total assets eoy 1837546 total participants boy 51 welfare benefit code — Source: DOL form 5500 · document dol-5500/

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