Agencies › General Services Administration › Public Buildings Service › Diana Weiss Diana Weiss Procurement contact · PBS CENTRALIZED ACQUISITION SERVICES - CUSTOMER CONTRACTING BRANCH B · General Services Administration
Email diana.weiss@gsa.gov On SAM.gov notices 17 since Apr 2026 — 17 in the last 24 months Last listed Sep 2026
What they buy NAICS Industry Notices 531210 Offices Of Real Estate Agents And Brokers 12 541690 Other Scientific And Technical Consulting Services 4 325998 All Other Miscellaneous Chemical Product And Preparation Manufacturing 1
PSC Product or service Notices R402 SUPPORT- PROFESSIONAL: REAL ESTATE BROKERAGE 12 R408 SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT 4 H946 OTHER QC/TEST/INSPECT- WATER PURIFICATION AND SEWAGE TREATMENT EQUIPMENT 1
How they restrict competition No set-aside stated — 10 Small Business (partial) — 5 NONE — 2 What they post Solicitation — 9 Special Notice — 4 Presolicitation — 2 Sources Sought — 2 Recent notices GSA Leasing Support Services Max (GLS Max) Solicitation — Solicitation, Sep 2026GSA Leasing Support Services Max (GLS Max) Solicitation — Solicitation, Sep 2026GSA Leasing Support Services Max (GLS Max) Solicitation — Solicitation, Sep 2026GSA Leasing Support Services Max (GLS Max) Solicitation — Solicitation, Sep 2026GSA Leasing Support Services Max (GLS Max) Solicitation — Solicitation, Sep 2026GSA Leasing Support Services Max (GLS Max) Solicitation — Solicitation, Sep 2026GSA Leasing Support Services Max (GLS Max) Solicitation — Solicitation, Aug 2026Supply Side Energy Advisory and Management Services — Solicitation, Aug 2026GSA Leasing Support Services Max (GLS Max) Solicitation — Presolicitation, Aug 2026GSA Leasing Support Services Max (GLS Max) Industry Day and Preproposal Conference — Special Notice, Jul 2026Supply Side Energy Advisory and Management Services — Solicitation, Jul 2026GSA Leasing Support Services Max (GLS Max) Presolicitation Notice — Special Notice, Jul 2026Listed alongside Track what GSA buys See Diana's full record, every buyer at GSA and the contracts expiring next in FedSift's Agency Intelligence. Free plan available, no credit card.
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Source: SAM.gov contract notices that list this contact, including SAM's fiscal-year archives from FY2015. FedSift republishes public federal procurement data and is not affiliated with the U.S. Government. Is this you? Ask us to remove this page .
