Federal Supply Schedule GS00F258CA

Active Awarded Last action

Contract number
GS00F258CA
Awardee
Awarding agency
Task orders
14

Award facts

Opportunity
Last date to order 75% complete
IDV ceiling
$507,474,946.00
Award type
Multiple award
Who can order
All agencies
NAICS code
541330 Engineering Services
Set-aside
No set-aside
Competition
Full and Open Competition Negotiated Proposal / Quote
Pricing
Firm Fixed Price
Legislative mandates

Award details come from SAM.gov/FPDS.

About this IDV

Written by GovTribe AI ·

The General Services Administration issued a Federal Supply Schedule contract to Longenecker & Associates, LLC, contract number GS-00F-258CA, on August 18, 2015, with a $507.5 million ceiling and ultimate completion date of August 17, 2030. Longenecker & Associates is a woman-owned small business based in Las Vegas, Nevada.

The contract covers the Multiple Award Schedule and includes Special Item Numbers for Engineering Services, Environmental Remediation Services, and Management and Financial Consulting Services. Place of performance is nationwide, with labor rates provided for work at both customer and contractor facilities. The price list spans 45 labor categories from data-entry roles at $33.59 per hour through executive consultants at $399.88 per hour, with education requirements ranging from high school through bachelor's degree and experience spanning zero to thirty years. No security-cleared positions are offered.

Recent ordering activity under this schedule includes a $3.75 million delivery order issued by the National Nuclear Security Administration on March 24, 2026, for project management and technical analysis support with performance in Washington, DC through March 24, 2027; a $499,278 NNSA delivery order issued January 1, 2025, for tritium research, development, testing, and evaluation technical subject matter expert support in Las Vegas, Nevada through December 31, 2027, priced on a time-and-materials basis; and a $51 million project management and technical support services blanket purchase agreement awarded February 20, 2026, with ultimate completion February 19, 2031.

Services offered span environmental remediation, project management, technical analysis, and contingent labor support, with customer concentration in the Department of Energy complex.

Task orders

Task order Ordering agency Obligated Awarded
Project management & technical analysis NA-23 HQ support for base period, new bridge contract. Effective date: march… 89233126FNA400764 National Nuclear Security Administration $2,512,703
Project management and technical support services 89303026FPM000006 Headquarters $409,639
Subtask 1: the contractor will provide technical SME support to NA-11 with consultation in reconstituting tritium… 89233125FNA400664 National Nuclear Security Administration $499,279
Program management, technical and analytical support services for the office of material management and minimization… 89233119FNA400224 National Nuclear Security Administration $8,817,030
Requisition 19MA002029 was created to provide project management support to the department of energy. The period of… 89303019FMA400201 Headquarters $11,682,505
To support its full range of needs, the NA-APM is seeking the contractor to provide support for reviewing and… 89233118FNA400109 National Nuclear Security Administration $2,032,424
Provide support and assist in conducting an analysis of alternatives (AOA) for the DOE-SR emergency operations… DEDT0014162 National Nuclear Security Administration $259,887
The purpose of this BPA call is to execute QA services - contractor assurance system review DEBP0005960 Savannah River National Laboratory (DOE) $45,865
Provide support for the review and update of the FPD project management handbook version 2.0 dated april 2015 and the… DEDT0014047 National Nuclear Security Administration $1,758,109
The purpose of this blanket purchase agreement call is to execute the base year with longnecker & associates for… DEBP0005083 Savannah River National Laboratory (DOE) $466,180
The purpose of this BPA call is to execute the base year with longnecker & associates for NQA-1 quality assurance… DEBP0005097 Savannah River National Laboratory (DOE) $477,855
The purpose of this BPA call is to execute the base year with longnecker & associates for NQA-1 quality assurance… DEBP0005096 Savannah River National Laboratory (DOE) $478,112
The purpose of this BPA call is to execute the base year with longnecker & associates for NQA-1 quality assurance… DEBP0004955 Savannah River National Laboratory (DOE) $257,439
2 NQA-1 quality assurance personnel all terms, conditions and clauses from BPA order no. DE-BP0004792 apply. DEBP0004729 Savannah River National Laboratory (DOE) $861,648
Show all 14

IDV awards

IDV Agency Ceiling Awarded
89303026APM000006 Project management and technical support services multiple-award blanket purchase agreement (BPA) Headquarters $51,000,000
DEEM0003259 Blanket purchase agreement for nuclear quality assurance services (NQA-1) all GSA clauses are hereby included by reference. List of attachments: attachment 1… Savannah River National Laboratory (DOE) —

Transactions

Action Obligated Date
Other Administrative Action PS0053 $0
Other Administrative Action PSA917 $0
Vendor DUNS or Name Change - Non-Novation PS0052 $0
Other Administrative Action PA0051 $0
Other Administrative Action PSA914 $0
Vendor Address Change PA0050 $0
Other Administrative Action PA0049 $0
Other Administrative Action PSA907 $0
Other Administrative Action PSA905 $0
Other Administrative Action PA0048 $0
Exercise an Option PO0042 $0
Add Subcontract Plan PO0047 $0
Other Administrative Action PSA904 $0
Rerepresentation PS0046 $0
Other Administrative Action PS0043 $0
Other Administrative Action PSA897 $0
Other Administrative Action PA0045 $0
Other Administrative Action PA0044 $0
Other Administrative Action PSA893 $0
Other Administrative Action PSA888 $0
Other Administrative Action PSA887 $0
Other Administrative Action PA0041 $0
Other Administrative Action PSA885 $0
Other Administrative Action PSA883 $0
Other Administrative Action PSA882 $0
Other Administrative Action PSA869 $0
Other Administrative Action PA0039 $0
Other Administrative Action PSA863 $0
Other Administrative Action PSA856 $0
Other Administrative Action PS0038 $0
Other Administrative Action PSA853 $0
Other Administrative Action PA0037 $0
Other Administrative Action PSA847 $0
Vendor Address Change PA0035 $0
Other Administrative Action PS0034 $0
Other Administrative Action PSA842 $0
Other Administrative Action PSA839 $0
Other Administrative Action PA0033 $0
Other Administrative Action PSA837 $0
Other Administrative Action PO0032 · Federal supply schedule contract - terminate subcontracting plan $0
Rerepresentation PO0031 $0
Other Administrative Action PSA834 $0
Other Administrative Action PA0030 $0
Other Administrative Action PSA832 $0
Add Subcontract Plan PS0028 $0
Other Administrative Action PA0029 $0
Other Administrative Action PSA829 $0
Other Administrative Action PSA826 $0
Other Administrative Action PSA824 $0
Rerepresentation PS0024 $0
Show 40 more

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Quick answers

Who was awarded contract GS00F258CA?

GS00F258CA was awarded to Longenecker & Associates, LLC by Federal Acquisition Service (General Services Administration) on August 18, 2015.

How much is contract GS00F258CA worth?

GS00F258CA's own ceiling is $507,474,946.

How many orders have been placed under contract GS00F258CA?

14 orders have been placed under GS00F258CA, the latest on March 24, 2026.

Who can order from contract GS00F258CA?

GS00F258CA is a multiple award federal supply schedule. All agencies can place orders on it.

Is contract GS00F258CA part of a contract vehicle?

Yes. GS00F258CA is part of Multiple Award Schedule (MAS).

Was contract GS00F258CA competed?

The extent of competition for GS00F258CA was full and open competition.

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