About D/E/F Services Group, Ltd


The Value of One
One Call • One Contractor • One Relationship

From our humble beginnings twenty years ago as a specialized low-voltage installer that provided Data, Electrical, and Fiber optic (D/E/F) services to the company we are today, D/E/F Services Group has been committed to its employees, customers, and community.

We strive to improve the quality of work life balance, we work with our team to support their causes, and we provide a comprehensive benefits package. D/E/F also has implemented an incentive bonus program that rewards our employees when they help our company by exceeding the goals of our projects. All are examples of our Core Values that promote valued team members.

Couple this with our continuing involvement with local charities and dedication to all our customers, we have developed a company that seeks to be the one call you need to make, one contractor you can depend on, and one relationship that works for everyone.

Our six Core Values

The Value of One

  • Being conscious of the entire company; working towards a singular goal
  • Team work – Have passion for everyone’s success
  • Care about yourself, your coworkers, the company and the community together
  • Understand and deliver our value proposition: One Call. One Contractor. One Relationship.

Be your Best, Everyday

  • Be present (mentally)
  • Give your all and go beyond
  • Be engaged and care about it
  • Good enough is not good enough

Sense of Urgency

  • Responsible utilization of company resources
  • Play every minute as hard as you can
  • Be proactive; respond to the environment
  • Do everything with a sense of purpose

Build your value

  • Self assess
  • Address your gaps
  • Open minded to new opportunities and enhance your skills

Consistent in our actions

  • Be reliable
  • Do what you say
  • Learn from mistakes

Own it

  • Follow through
  • Step up and take responsibility
  • Believe in it, be honest about it even if it’s wrong
  • Don’t be afraid to fail but learn from it

Our Core Services




Energy Efficiency

General trades

Past Projects

  • A.R. Builders / New Construction Apartment Buildings
  • Red Cross / Leiser Realty
  • US Naval Facilities (New England)
  • Homewood Suites / Hilton Hotels
  • Walmart Supercenter / New Construction & Renovation