Top DOT office administrative services contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $16.2M in net prime contract dollars under NAICS 561110, up 8.5% from $14.9M in the preceding 12 months. 16 prime contractors received positive obligations, and 7 of them accounted for 80% of that spend.
Prime contracts funded by the Department of Transportation. Latest 12 months: Oct 6, 2025 to Oct 5, 2026. Source: USAspending.gov.
Obligations by fiscal year
Net prime contract obligations by federal fiscal year (October to September).
Top DOT contractors for NAICS 561110
Ranked by positive obligations in the latest 12 months. Share is of all positive obligations in this market.
| # | Contractor | Latest 12 mo | Prior 12 mo | Share | Rank change |
|---|---|---|---|---|---|
| 1 | Trevor L Newman LLC | $3.8M | $2.1M | 22.8% | ▲ 1 |
| 2 | Z-Tech Solutions, LLC | $3.1M | $2.4M | 18.7% | ▼ 1 |
| 3 | Mallory & Associates LLC | $2.7M | $940K | 16.4% | ▲ 4 |
| 4 | CTR Management Group LLC | $1.2M | $1.1M | 7.4% | ▲ 1 |
| 5 | Strongbow Strategies LLC | $1.2M | $1.5M | 7.0% | ▼ 1 |
| 6 | Cyberdata Technologies, Inc. | $985K | $922K | 5.9% | ▲ 2 |
| 7 | Depaul Industries | $773K | $832K | 4.6% | ▲ 2 |
| 8 | Chickasaw Federal Health, LLC | $745K | $0 | 4.4% | New |
| 9 | Polycon Solutions LLC | $589K | $502K | 3.5% | ▲ 2 |
| 10 | Bobby Dodd Institute, Inc. | $482K | $480K | 2.9% | ▲ 2 |
| 11 | Jlan Solutions LLC | $321K | $76K | 1.9% | ▲ 6 |
| 12 | National Association of Pipeline Safety Representatives Inc. | $225K | $200K | 1.3% | ▲ 3 |
| 13 | Ibex IT Business Experts LLC | $188K | $1.7M | 1.1% | ▼ 10 |
| 14 | Tekpro Support Services, LLC | $173K | $346K | 1.0% | — |
| 15 | The Bizzell Group LLC | $110K | $1.1M | 0.7% | ▼ 9 |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Mallory & Associates LLC$940K → $2.7M (+$1.8M) · now #3
- Trevor L Newman LLC$2.1M → $3.8M (+$1.7M) · now #1
- Z-Tech Solutions, LLC$2.4M → $3.1M (+$761K) · now #2
Largest declines
- Ibex IT Business Experts LLC$1.7M → $188K (−$1.5M) · now #13
- Clason Point Partners Inc.$697K → −$609K (−$1.3M) · no latest-period obligations
- The Bizzell Group LLC$1.1M → $110K (−$972K) · now #15
New to this market
2 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Chickasaw Federal Health, LLC | Jul 29, 2026 | $745K |
| Professional and Scientific Associates, Inc. | Sep 29, 2026 | $63K |
Where the money comes from
Funding sub-agencies within the Department of Transportation, latest 12 months. The funding organization can differ from the office that runs the requirement.
| Funding sub-agency | Latest 12 mo | Prior 12 mo | Change |
|---|---|---|---|
| Federal Aviation Administration | $10.6M | $7.1M | Up $3.5M (49.0%) |
| Pipeline and Hazardous Materials Safety Administration | $3.3M | $1.4M | Up $1.9M (139.5%) |
| Federal Transit Administration | $1.0M | $983K | Up $59K (6.0%) |
| Federal Highway Administration | $972K | $2.7M | Down $1.7M (63.9%) |
| Immediate Office of the Secretary of Transportation | $919K | $1.6M | Down $662K (41.9%) |
Potential recompetes
Large awards in this market whose current period of performance ends in the next 18 months. Treat these as research leads: options, extensions, and follow-on vehicles often change the timing.
| Award | Incumbent | Obligated | Current end |
|---|---|---|---|
| 6973GH25F00021 | Z-Tech Solutions, LLC FRANCHISE FUNDING FOR OPTION YEAR 2 OF CONTRACT # 6973GH-22-D-00082 | $3.3M | Oct 31, 2026 |
| 693KA922F00009 | Cyberdata Technologies, Inc. EFAST PA 22-029-N8 FLIGHT STANDARDS SAFETY ANALYSIS PROGRAM OFFICE (SAPO) ADVANCED SAFETY ANALYSIS CONTRACT | $4.1M | Nov 25, 2026 |
| 69319523F40015N | Ibex IT Business Experts LLC THE OFFICE OF REGIONAL SERVICES REQUESTS FUNDING IN THE AMOUNT OF $540,000 TO FUND 4 SUPPORT STAFF AN EXECUTIVE ASSISTANT (ADMINISTRATIVE SUPPORT IV) CONTRACTOR FOR TRS HQ AND 3… | $1.8M | Dec 27, 2026 |
| 6982AF21F000099 | CTR Management Group LLC FIVE (5) ADMINISTRATIVE SUPPORT III | $1.7M | Jan 31, 2027 |
| 693JJ321F000390 | The Bizzell Group LLC MIST ADMINISTRATIVE SUPPORT SERVICES | $2.0M | Mar 21, 2027 |
| 6973GH26F00780 | Z-Tech Solutions, LLC ACQUISITION SUPPORT SERVICES FY26 ORDER | $2.3M | Apr 30, 2027 |
| 69319523F40005N | CTR Management Group LLC FTA'S OFFICE OF ADMINISTRATION (TAD) HAS A NEED FOR PROFESSIONAL ADMINISTRATIVE SUPPORT WHICH WILL SUPPORT TAD AS WELL AS OTHER ORGANIZATIONS WITHIN FTA. | $2.2M | May 30, 2027 |
| 69319522F400002 | CTR Management Group LLC TSO-OPS ISSUE AN TASK ORDER AGAINST THE VENDORS IDIQ BASE CONTRACT FOR ADMINISTRATIVE SUPPORT SERVICES | $2.4M | Jun 5, 2027 |
| 693JK325F00029N | Mallory & Associates LLC PROFESSIONAL SUPPORT SERVICES | $3.7M | Sep 14, 2027 |
| 697DCK23C00268 | Trevor L Newman LLC ACQUISITION AND CONTRACTING SUPPORT SERVICES TO REGIONAL ACQUISITION DIVISION AAQ-500 LOCATED AT THE FAA SOUTHWEST REGIONAL OFFICE, FORT WORTH, TX | $10.1M | Sep 24, 2027 |
Common questions
Who are the top DOT contractors for NAICS 561110?
In the latest 12 months, Trevor L Newman LLC ($3.8M), Z-Tech Solutions, LLC ($3.1M), Mallory & Associates LLC ($2.7M) received the most DOT obligations for office administrative services.
How concentrated is this market?
The eight largest primes held 87.2% of positive obligations, and Trevor L Newman LLC alone held 22.8%. 2 contractors won their first obligations in this market during the latest 12 months.
Are any large DOT NAICS 561110 contracts ending soon?
10 of the largest awards in this market reach their current end date in the next 18 months. The first is 6973GH25F00021 (Z-Tech Solutions, LLC, $3.3M obligated), ending Oct 31, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
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$10.2MFigures are net obligations on prime contracts (award types A–D) from USAspending.gov, grouped by funding agency and the NAICS code on each award. Net obligations include deobligations and corrections, so they can differ from positive-obligation totals. See methodology.
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