Top DOT telephone apparatus manufacturing contractors
In the 12 months ending Oct 5, 2026, the Department of Transportation obligated $1.2B in net prime contract dollars under NAICS 334210, up 408.7% from $245.6M in the preceding 12 months. 5 prime contractors received positive obligations, and 2 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 334210
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 | Rohde & Schwarz USA, Inc. | $650.7M | $72.9M | 52.1% | ▲ 1 |
| 2 | Frequentis USA, Inc | $596.7M | $148.2M | 47.8% | ▼ 1 |
| 3 | HPI Federal LLC | $2.3M | $1.3M | 0.2% | ▲ 1 |
| 4 | Audiosears Corp | $26K | $0 | 0.0% | New |
| 5 | Trgroup Inc. | $250 | $125K | 0.0% | — |
What changed in the last 12 months
Contractors with the largest change in reported obligations versus the preceding 12 months.
Largest gains
- Rohde & Schwarz USA, Inc.$72.9M → $650.7M (+$577.8M) · now #1
- Frequentis USA, Inc$148.2M → $596.7M (+$448.5M) · now #2
- HPI Federal LLC$1.3M → $2.3M (+$936K) · now #3
Largest declines
- Data Comm for Business Inc$23.1M → $0 (−$23.1M) · no latest-period obligations
- Trgroup Inc.$125K → $250 (−$124K) · now #5
- Plantronics Inc.−$9K → −$10K (−$1K) · no latest-period obligations
New to this market
1 contractors received their first obligations in this market (since FY2022) during the latest 12 months. The largest:
| Contractor | First obligation | Latest 12 mo |
|---|---|---|
| Audiosears Corp | Mar 26, 2026 | $26K |
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 | $1.2B | $245.6M | Up $1.0B (408.7%) |
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 |
|---|---|---|---|
| 693KA825C00011 | Frequentis USA, Inc PROJECT LIFT VCS LETTER CONTRACT FOR MODERNIZATION OF FAA VCS' IN THE NAS WHICH INCLUDES REPLACEMENT OF VCS' DEPENDENT ON TDM TECHNOLOGY TO VCS' THAT ARE IP CAPABLE. | $593.6M | Oct 31, 2026 |
| 693KA824F00111 | Frequentis USA, Inc BASE PERIOD SUPPORT SERVICES AND SUPPLIES FOR THE AIR=TO-GROUND PROTOCOL CONVERTER SYSTEM (APCS) TO INCLUDE IFAT AND FAT. | $56.0M | Feb 26, 2027 |
| 693KA825F00199 | Frequentis USA, Inc PRODUCTION OF APC UNITS AND APCMS'. | $125.0M | Dec 31, 2027 |
| 693KA826F00088 | Rohde & Schwarz USA, Inc. DELIVERY ORDER FOR SUPPLIES AND SERVICES FOR VOICE COMMUNICATION SYSTEMS (VCS'). THIS DELIVERY ORDER DEFINITIZES LETTER CONTRACT 693KA8-25-C-00010 IN ACCORDANCE WITH THE TERMS… | $637.5M | Feb 28, 2028 |
Common questions
Who are the top DOT contractors for NAICS 334210?
In the latest 12 months, Rohde & Schwarz USA, Inc. ($650.7M), Frequentis USA, Inc ($596.7M), HPI Federal LLC ($2.3M) received the most DOT obligations for telephone apparatus manufacturing.
How concentrated is this market?
The eight largest primes held 100.0% of positive obligations, and Rohde & Schwarz USA, Inc. alone held 52.1%. 1 contractors won their first obligations in this market during the latest 12 months.
Are any large DOT NAICS 334210 contracts ending soon?
4 of the largest awards in this market reach their current end date in the next 18 months. The first is 693KA825C00011 (Frequentis USA, Inc, $593.6M obligated), ending Oct 31, 2026. An end date is a research lead, not a confirmed recompete: options and extensions often move it.
Related markets
NAICS 334210 across all agencies
DoD · NAICS 334210
$162.0MSSA · NAICS 334210
$53.9MDOJ · NAICS 334210
$5.7MFigures 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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