Dittmer, Jonathan D.

Procurement contact · WESTERN-UPPER GREAT PLAINS REGION · Department of Energy

Email	dittmer@wapa.gov
Phone	605-353-2641
On SAM.gov notices	183 since Jan 2020 — 27 in the last 24 months
Last listed	Aug 2026
Award notices	11

What they buy

NAICS	Industry	Notices
237130	Power And Communication Line And Related Structures Construction	96
236220	Commercial And Institutional Building Construction	13
335999	All Other Miscellaneous Electrical Equipment And Component Manufacturing	7
236210	Industrial Building Construction	6
335311	Power, Distribution, And Specialty Transformer Manufacturing	5
332312	Fabricated Structural Metal Manufacturing	5
334416	Electronic Coil, Transformer, And Other Inductor Manufacturing	5
321215	Engineered Wood Member Manufacturing	3

PSC	Product or service	Notices
Z1PZ	MAINTENANCE OF OTHER NON-BUILDING FACILITIES	62
Y1PZ	CONSTRUCTION OF OTHER NON-BUILDING FACILITIES	27
Y1EB	CONSTRUCTION OF MAINTENANCE BUILDINGS	16
Z2EB	REPAIR OR ALTERATION OF MAINTENANCE BUILDINGS	7
5340	HARDWARE, COMMERCIAL	6
N041	INSTALLATION OF EQUIPMENT- REFRIGERATION, AIR CONDITIONING, AND AIR CIRCULATING EQUIPMENT	6
Y1NZ	CONSTRUCTION OF OTHER UTILITIES	6
6145	WIRE AND CABLE, ELECTRICAL	5

How they restrict competition

Small Business — 119
No set-aside stated — 53

What they post

Solicitation — 104
Presolicitation — 55
Award Notice — 11
Combined Synopsis/Solicitation — 6
Special Notice — 5
Sources Sought — 2

Who won their award notices

Awardee	Award notices	Latest
RLH INC. 126 N ADAMS ST MISSION SD 575555939 USA	3	Nov 2024
ADDISON CONSTRUCTION CO 1526 HORSE CREEK RD Cheyenne WY 820099338 USA	3	Apr 2024
UNITED SALES ASSOC INC 5966 BONITA RD Lake Oswego OR 970353100 USA	2	Jun 2024
HIGHMARK ERECTORS, INC. SD 57769-5053 USA	2	May 2022
ADDISON CONSTRUCTION CO. Cheyenne WY USA	2	Jul 2021
V LINE SERVICES L.L.C. Kingston GA USA	2	May 2021
HIGHMARK ERECTORS, INC PO Box 491 Black Hawk SD 57718 USA	1	Aug 2026
HUGHES BROTHERS INC 210 N 13TH ST PO BOX 159 Seward NE 68434 USA	1	Aug 2026
JM TEST SYSTEMS LLC 7323 Tom Dr Baton Rouge LA 70806 USA	1	May 2026
RURAL ELECTRIC SUPPLY COOPERATIVE P.O. BOX 44430 Madison WI 53744 USA	1	May 2026

Recent notices

Y--Denison Substation Stage 10, Iowa — Solicitation, Aug 2026
55--WAPA-Wide Wood Crossarms & Braces IDIQ — Award Notice, Aug 2026
WAPA COMMUNICATION TOWER INSPECTION SERVICES — Solicitation, Aug 2026
Y--COTP Series Capacitor Two-Phase Design Build — Solicitation, Jul 2026
Y--COTP Series Capacitor Two-Phase Design Build — Solicitation, May 2026
Y--COTP Series Capacitor Two-Phase Design Build — Solicitation, Apr 2026
COTP Series Capacitor Two-Phase Design Build — Special Notice, Mar 2026

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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.