About Us

Drew Investment Group (DIG) provides energy efficient and renewable energy products to a variety of customers – including federal agencies. DIG is providing its turnkey Energy Efficient LED Lighting and Energy Management Control Systems at over 100 United States military installations.

Our Services

Save energy and enjoy the industry's longest LED warranty
Reduce your water and water heating fuel use today
Scale your electric vehicle fleet's charging capabilities
Harness the sun's UV rays to heat your water and condition your facility
Effectively manage your energy use today


The mission of DIG is to provide turnkey energy efficient and renewable energy solutions, technologies, services, and financing to federal customers in order to meet their GHG reduction goals and energy mandates while reducing their cost of operations.

  • Reduce Energy Consumption / Costs
  • Facilitate Budget Execution
  • Identify and Manage Available Incentives, Credits, and Rebates

DIG Overview - DIG's Energy Management System

Turnkey Energy Efficient Technologies and Related Solutions
◉ LED Lighting
◉ Energy Management Control Systems
◉ Efficient Hot Water
◉ Solar Thermal Hot Water
◉ Other technologies vetted and considered on a by-project-basis
Project Funding
Product and Project Management
◉ Products assembled by Federal Prison Industries (FPI)
◉ Final Product Implementation
◉ Management of Services
◉ Domestic and International Capabilities

Our Testimonials

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