Complete Building Services Tech Stack

Facilities management and building operations across 45M sq ft in the Mid-Atlantic

Facilities Services Washington, District of Columbia 201–500 employees Founded 1963 Privately Held

Complete Building Services operates a large, operations-focused facilities management business serving 250+ clients across government, commercial, and institutional properties in the DC/Maryland/Virginia corridor. The tech stack is dominated by industrial control systems (Siemens, Schneider Electric, BACnet/IP, Modbus TCP/IP) paired with IBM Maximo for asset management, signaling heavy reliance on integrated building automation and preventative maintenance frameworks. Active hiring skews operations-heavy (28 ops roles vs. 20 engineering), and current project focus clusters around KPI compliance, energy optimization, and downtime reduction—suggesting operational maturity but ongoing pressure to standardize processes and improve scheduling efficiency.

Tech Stack 14 technologies

Core StackSiemens Microsoft Office CMMS BMS Schneider Electric RSLogix Studio 5000 Kepware BACnet/IP Modbus TCP/IP transformers IBM Maximo Desigo HP

What Complete Building Services Is Building

◆Challenges

Compliance with kpis
Reducing downtime
Improving system efficiency
Enhancing plant performance
Minimizing downtime
Optimizing energy usage
Maintaining building performance and efficiency
Managing subcontractor quality control
Optimizing maintenance scheduling
Service delivery outcomes

▲Active Projects

Development of standard operating procedures
Implementation of chemical treatment programs
Installation projects
Preventative maintenance work plans
Energy management demand response program
Bms infrastructure upgrades
Annual work plan development
Kpi report generation
Cmms improvement initiatives
Hvac upgrade project

Hiring Activity

Steady50 roles · 20 in 30d

Department

Ops

Engineering

Construction

Maintenance

Seniority

Mid

Senior

Junior

C-Level

Manager

Notable leadership hires: Chief Engineer

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About Complete Building Services

Complete Building Services is a DC-based facilities management company founded in 1963 and part of The Donohoe Companies (established 1884). CBS manages operations, maintenance, repair, and energy systems across 45 million square feet of facilities including government offices, hospitals, educational institutions, commercial headquarters, hotels, and embassies. The company operates 250+ active client contracts primarily in Maryland, Virginia, and DC, supported by a highly trained technical staff covering HVAC, electrical, plumbing, building automation, and emergency repair services. The organization runs a mix of traditional facilities management (operations & maintenance) alongside energy management and building automation system (BAS) contracts.

HeadquartersWashington, District of Columbia

Company Size201–500 employees

Founded1963

Hiring MarketsUnited States

Frequently Asked Questions

What tech does Complete Building Services use?

Siemens and Schneider Electric dominate their BMS/building automation infrastructure. IBM Maximo handles asset management and CMMS workflows. Control systems rely on BACnet/IP and Modbus TCP/IP protocols, with RSLogix and Studio 5000 for PLC programming.

What is Complete Building Services working on?

Key projects include BMS infrastructure upgrades, energy management demand response programs, preventative maintenance planning, CMMS process improvements, HVAC upgrades, chemical treatment implementation, and KPI reporting systems. Current priorities address downtime reduction and energy efficiency optimization.