M C DEAN INC

M C DEAN INC is a DC government contractor that has received $256.8M in purchase order payments across 4 District of Columbia agencies. Their largest agency partner is District Department of Transportation.

Total Revenue

$256.8M

Agency Partners

Annual Revenue from DC

By fiscal year

$22.1M

FY13

$18.9M

FY14

$20.7M

FY15

$17.3M

FY16

$21.2M

FY17

$13.0M

FY18

$11.5M

FY19

$28.8M

FY20

$19.4M

FY21

$12.7M

FY22

$17.1M

FY23

$10.9M

FY24

$27.9M

FY25

$15.2M

FY26

Agency Relationships

Revenue breakdown by DC agency

District Department of TransportationDDOT

$253.7M(99%)

Since Oct 2012Last: Jun 2026

Department of Youth Rehabilitation ServicesDYRS

$2.5M(1%)

Since Oct 2012Last: Mar 2026

Office of Unified CommunicationsOUC

$516K(0%)

Since Aug 2013Last: Oct 2018

Metropolitan Police DepartmentMPD

$49K(0%)

Since Sep 2016Last: Apr 2018

What They Sell

NIGP commodity codes from purchase orders

91327009132700:Construction, Highway and Road

$48.9M

92593909259390 : TRAFFIC AND TRANSPORTATION ENGINEERING

$59.8M

92045319204531:MAINTENANCE AND SUPPORT, SOFTWARE, MAINFRAME

$1.4M

91842109184210:CONSULTING SERVICES, CIVIL ENGINEER

$39.7M

91831009183100:Construction Consulting

$34.9M

91232649123264:REMOVE AND RESET EXISTING STREET LIGHTS.

$15.2M

93673009367300:Security and Access Systems Maintenance and Repair

$102K

93649409364940:INTELLIGENT TRANSPORTATION SYSTEMS HARDWARE MAINTENANCE SERVICE

$69K

96883529688352 : MAINTENANCE AND REPAIR, TRAFFIC SIGNALS

$25.8M

91327259132725 : IMPROVEMENTS, ROAD AND INTERSECTION

$13.9M

95944009594400:Electronic and Communication Equipment Services (Including Installation, Maintenance and Repair)

$20K

96883009688300:Traffic Signal Maintenance and Repair

$7.1M

80187378018737:POSTS, END, OVERHEAD SIGN STRUCTURE, ALUMINUM

$51K

20767252076725:BATTERY BACK-UP SYSTEM

$438K

72528007252800:High Volume, Call Answering Telephone Systems (See 725-53 for Low Volume Equipment)

$25K

Recent Purchase Orders

Most recent transactions with DC government

Agency	Description	Amount	Date
DDOT District Department of Transportation	Copy of FY26/KA0/TSED/ITS Maintenance OY2 TO#4	$1.3M	Jun 9, 2026
DDOT District Department of Transportation	FY26/KA0/TSED/Traffic Signal Modernization Phase 1 Construction BY TO#1	$989K	Jun 5, 2026
DDOT District Department of Transportation	KAO/TSED/DCKA-2021-C-0051 - Traffic Signal Construction OY4 - Task Order No. 5	$3.4M	May 13, 2026
DDOT District Department of Transportation	FY26/KA0/TSA/Traffic Signal Maintenance OY2 TO#3	$3.3M	May 11, 2026
DYRS Department of Youth Rehabilitation Services	DYRS - FY26 - GE Proficy lFix SCADA Services and Repairs Exempt from Competition - De-obligate	N/A	Mar 31, 2026

Business Details

Curated info for this supplier

Business Name

M.C. Dean Inc

Address

22461 Shaw Rd, Dulles, VA 20166

Description

Electrical design-build, systems integration, and facility management.

CEO / Leadership

Bill Dean, CEO

Website

www.mcdean.com

Phone

(703) 802-1000

Quick Facts

Most Recent PO

Jun 9, 2026

Top Agency Partner

District Department of Transportation

99% of total revenue

Revenue Concentration

Highly concentrated, relies heavily on one agency

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