This page summarizes federal procurement activity for GAO, EXCEPT COMPTROLLER GENERAL, covering obligations, award volume, vendors, and NAICS categories over the last 10 years. The data shows spending concentrated in computer systems design, facilities support, and other computer-related services, with recurring awards to EMCOR Government Services, Inc. and Advanced Technology Systems Inc.
Federal Agency
GAO, EXCEPT COMPTROLLER GENERAL Federal Contract Obligations (Last 10 Years)
GAO, EXCEPT COMPTROLLER GENERAL procurement obligations totaled $923.77 million across 6,461 award actions over the last 10 years.
Totals reflect the last 10 years of readable FPDS obligations for Agency ID 0559 and may include rounding differences from exact values.
Agency ID
0559
Total Obligated
923.77 million
923,773,519.09
Award Actions
6,461
Average Action Value
142,976.86
About GAO, EXCEPT COMPTROLLER GENERAL federal contract activity
Over the last 10 years, GAO, Except Comptroller General obligated 923.77 million across 6,461 awards, for an average award value of 142,976.86. The obligation profile indicates a moderately sized award base with spending distributed across a large number of transactions rather than a small set of high-dollar awards.
Vendor concentration and leading contractors
The vendor base is led by EMCOR Government Services, Inc. at 155.69 million across 1,039 awards, making it the highest-volume supplier by both dollars and count. Advanced Technology Systems Inc. follows at 142.73 million, while Four Points Technology, L.L.C., American Security Programs, Inc., and Insight Public Sector, Inc. round out the top five, indicating recurring reliance on facilities, security, and IT support providers.
Industry profile based on NAICS activity
Contracting is concentrated in IT and support service categories. Computer systems design services (541512) leads at 202.51 million, followed by facilities support services (561210) and other computer related services (541519); security guards and patrol services (561612) and wired telecommunications carriers (517110) also rank among the top obligations, showing a mix of technology, facilities, security, and communications spending.
Annual contract trend over the analysis window
Annual obligations in the most recent years have remained relatively stable, ranging from 109.78 million in 2023 to 125.80 million in 2022. In the latest available year, 2025, obligations totaled 119.46 million across 687 awards, slightly above 2024’s 117.01 million across 631 awards, suggesting steady procurement activity with no sharp directional change.
How to interpret this page
This summary is based on FPDS obligations recorded for GAO, Except Comptroller General (Agency ID 0559) over the last 10 years. Totals, counts, vendor rankings, NAICS concentrations, and annual trends reflect the provided analysis window and are limited to the supplied aggregated metrics.
Top Vendors
SELECT
vendor_name,
total_obligated,
award_count,
formatReadableQuantity(total_obligated) AS total_obligated_readable
FROM
(
SELECT
content__award__vendor__vendorHeader__vendorName AS vendor_name,
sum(content__award__dollarValues__obligatedAmount) AS total_obligated,
count() AS award_count
FROM fpds.data
WHERE
contract_type = 1
AND content__award__purchaserInformation__contractingOfficeAgencyID = '0559'
AND content__award__vendor__vendorHeader__vendorName IS NOT NULL
AND content__award__vendor__vendorHeader__vendorName != ''
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 10 YEAR
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
GROUP BY vendor_name
)
ORDER BY total_obligated DESC
LIMIT 10| Vendor | Total Obligated | Readable | Award Actions |
|---|---|---|---|
| EMCOR GOVERNMENT SERVICES, INC. | 155,690,492.64 | 155.69 million | 1,039 |
| ADVANCED TECHNOLOGY SYSTEMS INC. | 142,731,025.04 | 142.73 million | 80 |
| FOUR POINTS TECHNOLOGY, L.L.C. | 50,791,674.67 | 50.79 million | 75 |
| AMERICAN SECURITY PROGRAMS, IN | 39,366,401.46 | 39.37 million | 30 |
| INSIGHT PUBLIC SECTOR, INC. | 29,109,230.01 | 29.11 million | 30 |
| LUMEN TECHNOLOGIES GOVERNMENT SOLUTIONS, INC. | 25,941,735.00 | 25.94 million | 20 |
| VERIZON FEDERAL INC. | 22,475,327.10 | 22.48 million | 48 |
| SCIENCE APPLICATIONS INTERNATIONAL CORPORATION | 14,544,169.83 | 14.54 million | 7 |
| SERCO SERVICES INC. | 14,216,283.12 | 14.22 million | 95 |
| COTTON & COMPANY LLP | 13,985,904.50 | 13.99 million | 86 |
Insight
Over the last 10 years, GAO, EXCEPT COMPTROLLER GENERAL obligated $923.77 million across 6,461 awards, with an average award value of $142,976.86. Vendor obligations are concentrated at the top: EMCOR GOVERNMENT SERVICES, INC. leads with $155.69 million across 1,039 awards, followed by ADVANCED TECHNOLOGY SYSTEMS INC. at $142.73 million across 80 awards, together accounting for a substantial share of total obligations. Beyond the top two, obligations decline sharply and are distributed among vendors with materially smaller dollar volumes, generally ranging from about $13.99 million to $50.79 million. Award counts also vary considerably, indicating a mix of high-frequency, lower-value vendors and lower-frequency, higher-obligation vendors.
Top NAICS
SELECT
naics_code,
naics_name,
total_obligated,
award_count,
formatReadableQuantity(total_obligated) AS total_obligated_readable
FROM
(
SELECT
content__award__productOrServiceInformation__principalNAICSCode AS naics_code,
anyHeavy(content__award__productOrServiceInformation__principalNAICSCode__description) AS naics_name,
sum(content__award__dollarValues__obligatedAmount) AS total_obligated,
count() AS award_count
FROM fpds.data
WHERE
contract_type = 1
AND content__award__purchaserInformation__contractingOfficeAgencyID = '0559'
AND content__award__productOrServiceInformation__principalNAICSCode IS NOT NULL
AND content__award__productOrServiceInformation__principalNAICSCode != ''
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 10 YEAR
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
GROUP BY naics_code
)
ORDER BY total_obligated DESC
LIMIT 10| NAICS Code | Description | Total Obligated | Readable | Award Actions |
|---|---|---|---|---|
| 541512 | COMPUTER SYSTEMS DESIGN SERVICES | 202,506,113.76 | 202.51 million | 202 |
| 561210 | FACILITIES SUPPORT SERVICES | 161,087,146.49 | 161.09 million | 1,186 |
| 541519 | OTHER COMPUTER RELATED SERVICES | 156,885,514.98 | 156.89 million | 711 |
| 561612 | SECURITY GUARDS AND PATROL SERVICES | 67,753,003.71 | 67.75 million | 76 |
| 517110 | WIRED TELECOMMUNICATIONS CARRIERS | 40,372,902.02 | 40.37 million | 68 |
| 519190 | ALL OTHER INFORMATION SERVICES | 37,662,860.10 | 37.66 million | 498 |
| 511210 | SOFTWARE PUBLISHERS | 36,043,154.16 | 36.04 million | 155 |
| 541330 | ENGINEERING SERVICES | 27,374,487.80 | 27.37 million | 260 |
| 541211 | OFFICES OF CERTIFIED PUBLIC ACCOUNTANTS | 26,065,558.69 | 26.07 million | 181 |
| 517919 | ALL OTHER TELECOMMUNICATIONS | 22,645,679.42 | 22.65 million | 65 |
Insight
Over the last 10 years, GAO, EXCEPT COMPTROLLER GENERAL obligated $923.77 million across 6,461 awards, with spend concentrated in IT and support services NAICS codes. The largest category, 541512 Computer Systems Design Services, accounts for $202.51 million, followed by 561210 Facilities Support Services at $161.09 million and 541519 Other Computer Related Services at $156.89 million; these three categories together represent a substantial share of total obligations. Award volume is more dispersed than dollars, with 561210 leading by award count (1,186) despite ranking second in obligated value, indicating a mix of many smaller awards and fewer larger IT-related obligations.
Annual Trend
SELECT
year,
total_obligated,
award_count,
formatReadableQuantity(total_obligated) AS total_obligated_readable
FROM
(
SELECT
toYear(parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate)) AS year,
sum(content__award__dollarValues__obligatedAmount) AS total_obligated,
count() AS award_count
FROM fpds.data
WHERE
contract_type = 1
AND content__award__purchaserInformation__contractingOfficeAgencyID = '0559'
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) >= toStartOfYear(now()) - INTERVAL 10 YEAR
AND parseDateTimeBestEffortOrNull(content__award__relevantContractDates__signedDate) < toStartOfYear(now())
GROUP BY year
)
ORDER BY year DESC| Year | Total Obligated | Readable | Award Actions |
|---|---|---|---|
| 2025 | 119,455,151.79 | 119.46 million | 687 |
| 2024 | 117,011,919.84 | 117.01 million | 631 |
| 2023 | 109,779,830.14 | 109.78 million | 611 |
| 2022 | 125,797,560.84 | 125.80 million | 649 |
| 2021 | 114,458,624.75 | 114.46 million | 552 |
| 2020 | 80,894,585.42 | 80.89 million | 477 |
| 2019 | 82,918,984.63 | 82.92 million | 479 |
| 2018 | 81,921,213.78 | 81.92 million | 578 |
| 2017 | 46,442,956.57 | 46.44 million | 742 |
| 2016 | 45,092,691.33 | 45.09 million | 1,055 |
Insight
Over the last 10 years, GAO, EXCEPT COMPTROLLER GENERAL obligated $923.77 million across 6,461 awards, with an average award value of $142,976.86. Obligations were relatively steady from 2018 through 2025 at roughly $80.89 million to $125.80 million annually, after a lower base in 2016-2017 ($45.09 million and $46.44 million). Award volume declined from 1,055 in 2016 to 477 in 2020, then increased again to 687 in 2025, indicating a shift from higher-volume, lower-obligation activity to fewer, higher-value awards over the period.
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