MACKOFF, KELLOGG, KIRBY & KLOSTER, P.C. is a North Dakota professional corporation, registered on December 29, 1969. It is based at 38 2ND AVE E SUITE A, DICKINSON, ND, 58601-5217, United States. The company is currently listed as active on the North Dakota register, is registered under company number 0000000002 and carries EIN 450308907. Public records for the company include 1 SoS registration, 3 federal contracts, 1 loan record and 16 Form 5500 filings. Every fact here is republished from an official public register and traces back to a primary source document.
| Legal entity name | MACKOFF, KELLOGG, KIRBY & KLOSTER, P.C. |
|---|---|
| Former names | MACKOFF KELLOGG LAW FIRM; MACKOFF KELLOGG |
| Principal address | 38 2ND AVE E SUITE ADICKINSON58601-5217NDUnited States |
| Mailing address | 38 2ND AVE E STE A, DICKINSON, ND, 58601-5217, US |
| Registration state | North Dakota |
| Status | Active |
| Registered | 29 December 1969 (over 56 years ago) |
| Entity type | Professional corporation |
| Standing | compliant |
| Company number | 0000000002 |
| EIN | 450308907 |
| Employees (modeled) |
| Registered agent | Christina M Wenko |
|---|
| Source registry | North Dakota Secretary of State · updated 15 June 2026 |
|---|
| Public records | 1 SoS registration |
|---|
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| Est. revenue (modeled) | $2M2024 |
|---|---|
| Federal contracts | $20K · 17 awards |
| SBA loans | $89K · approved amounts |
| Total obligated | $20K |
|---|---|
| Awards | 17 |
| Top agency | Department of Agriculture |
| Action date | Agency | Obligated | |
|---|---|---|---|
| 2015-04-17 | Department of Agriculture | $0 | |
| 2015-04-17 | Department of Agriculture | $0 | |
| 2014-12-09 | Department of Agriculture | $-3000 | |
| 2014-11-06 | Department of Agriculture | $-3000 | |
| 2013-11-19 | Department of Agriculture | $3K | |
| 2013-11-19 | Department of Agriculture | $3K | |
| 2013-11-19 | Department of Agriculture | $0 | |
| 2013-08-16 | Department of Agriculture | $3K | |
| 2013-08-15 | Department of Agriculture | $3K | |
| 2013-07-08 | Department of Agriculture | $3K | |
| State | Business name | Filed | Registered agent | Officers | Status | |
|---|---|---|---|---|---|---|
| North DakotaTHIS | MACKOFF, KELLOGG, KIRBY & KLOSTER, P.C. | 1969-12-29 | Christina M Wenko | — | Active | |
Filing ID 0000000002 Jurisdiction Domestic · Professional corporation Principal address 38 2ND AVE E SUITE A, DICKINSON, ND, 58601-5217, United States Registered agent Christina M Wenko38 2ND AVENUE EAST SUITE A, DICKINSON, ND, 58601 Officers Not reported | ||||||
| Montana | MACKOFF, KELLOGG, KIRBY & KLOSTER, P. C. | 1989-12-18 | C T CORPORATION SYSTEM | CHRISTINA M WENKOOfficer, Director | Active | |
| South Dakota | MACKOFF, KELLOGG, KIRBY & KLOSTER, P.C. | 2000-10-23 | C T CORPORATION SYSTEM | — | Active | |
Companies and people linked to MACKOFF, KELLOGG, KIRBY & KLOSTER, P.C. in the state registers through shared officers, a shared registered agent, shared filing contacts or a shared address. Service companies file for many unrelated businesses — a shared agent, address or contact alone does not prove affiliation.
company person group former role
Browse the indexed registries by state, or look up any debtor name free, at UCC lien search.
| Amount | Approved | Lender | Jobs | Status | |
|---|---|---|---|---|---|
| $88,500 | 04/08/2020 | Bravera Bank | 7 | Paid in Full | |
Employee-benefit plan filings by MACKOFF, KELLOGG, KIRBY & KLOSTER, P.C. 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) | ≈7 · plan year 2024 |
|---|---|
| Est. annual revenue (modeled) | $2M |
| Retirement plan assets | $2.1M |
| Benefit plans | 401(k) plan on file |
| Filing history | 26 plan years filed, 1999–2024 |
| Sponsor EIN | 45-0308907 |
| Plan year | Employees (est.) | Participants | Plan assets | Revenue (est.) | 401(k) | |
|---|---|---|---|---|---|---|
| 2024 | ≈7 | 24 (6 active) | $2.1M | $2M | 401(k) | |
| 2023 | ≈8 | 26 (7 active) | $2.3M | $2.2M | 401(k) | |
| 2022 | ≈7 | 27 (6 active) | $1.9M | $1.9M | 401(k) | |
| 2021 | ≈8 | 35 (7 active) | $2.3M | $2M | 401(k) | |
| 2020 | ≈31 | 47 (28 active) | $2.4M | $3.8M | 401(k) | |
| 2019 | ≈29 | 41 (26 active) | $2.2M | $6.9M | 401(k) | |
| 2018 | ≈33 | 58 (30 active) | $1.7M | $7M | 401(k) | |
| 2017 | ≈40 | 58 (36 active) | $3.3M | $8.3M | 401(k) | |
| 2016 | ≈50 | 67 (45 active) | $2.9M | $9.6M | 401(k) | |
| 2015 | ≈53 | 67 (48 active) | $2.7M | $10.5M | 401(k) | |
Matched Form 5500 filing records:
| Plan | Plan year | Participants | EIN | |
|---|---|---|---|---|
| MACKOFF KELLOGG KIRBY & KLOSTER P C PROFIT SHARING PLAN & TRUST | — | — | — | |
| MACKOFF KELLOGG PROFIT SHARING PLAN AND TRUST | — | — | — | |
| MACKOFF KELLOGG KIRBY & KLOSTER P C PROFIT SHARING PLAN & TRUST | — | — | — | |
| MACKOFF KELLOGG PROFIT SHARING PLAN AND TRUST | — | — | — | |
| MACKOFF KELLOGG KIRBY & KLOSTER P C PROFIT SHARING PLAN & TRUST | — | — | — | |
| MACKOFF KELLOGG PROFIT SHARING PLAN AND TRUST | — | — | — | |
| MACKOFF KELLOGG KIRBY & KLOSTER P C PROFIT SHARING PLAN & TRUST | — | — | — | |
| MACKOFF KELLOGG PROFIT SHARING PLAN AND TRUST | — | — | — | |
| MACKOFF KELLOGG KIRBY & KLOSTER P C PROFIT SHARING PLAN & TRUST | — | — | — | |
| MACKOFF KELLOGG PROFIT SHARING PLAN AND TRUST | — | — | — | |
Federal court records load when you reach this section.
Companies adjacent to MACKOFF, KELLOGG, KIRBY & KLOSTER, P.C. in the North Dakota Secretary of State register, in alphabetical order.
1 company is registered at 38 2ND AVE E SUITE A, DICKINSON — shared registered-office and agent addresses are common; a shared address alone does not link businesses.
Netstate aggregates public records from federal, state and municipal sources; records are matched to this company by its registered legal names. Latest source snapshot 2026-08-06. Document getpalm-companies/5421-6794-2423.