Meet the Team

Electrical Connections LLC - William
  • FOUNDER
    William Castillo
    Hello, I’m William Castillo and thank you for your interest in our company. I have lived in the DC metro area for over 30 years. I have seen many changes in our area over the years but one thing has always stayed constant. It has always been a great place to work and to raise a family. I started Bills Electrical back in the early nineties and later changed it to Electrical Connections LLC when my son and I began to work together in 2003. It has always been my dream to work with my son and it came true. We have made a great team with all of my technical expertise and experience and his positive energy and likable personality. Thank you for your interest in our services and we look forward in serving you.
Electrical Connections LLC - Guillermo
  • CO-FOUNDER AND CEO
    Guillermo Castillo
    Hello, I’m Guillermo and I want to thank you for your interest in our company. My father and I started Electrical Connections, LLC in 2003. I attended Richard Montgomery High School and also studied at the University of Maryland University College business administration and finance. I am a blessed man married to my beautiful wife Maria and also blessed with my two children. I have lived in Montgomery County almost all my life and feel this is the greatest place to live and raise a family. I feel the diversity, history, and people are what make living in our area so special.
Electrical Connections LLC - Maria Castillo
  • VICE PRESIDENT CHIEF FINANCIAL OFFICER
    Maria Castillo
    My name is Maria and I am a happy wife and mother of two beautiful children. My husband Guillermo and I were married in 2008 in Nicaragua. I joined the company the same year as the Chief Financial Officer. I appreciate the time you took to read more about my background, our outstanding team and our great company. Our experienced electrical safety advisors are ready to take care of all your electrician needs. Have a blessed day!
Top Licensed Electricians In Maryland

Electrical Connections, LLC has an amazing licensed electrician team on call ready to meet all your electrical needs. Since 2003 we have been the most trusted electrician service provider and have served thousands of Maryland customers throughout Montgomery County.

Our mission at Electrical Connections is to make sure our clients feel safe and comfortable in their homes when it comes to electrical safety. It is also important that we improve the lives of each of our team members.

We accomplish this by creating an environment where home electrical safety is our top priority. We provide our team members with an opportunity to grow, a chance to earn a good wage and the chance to learn trade skills that will always be sought after. This is an on-going process that we are dedicated to perfecting every day. Our main objective is to provide outstanding service that exceeds our client’s expectation while improving the professional, personal and financial lives of our team. Thank you for considering our company for your home electrical work and we look forward to earning your business and ultimately your trust!

Electrical Connections LLC - Tim Davis
  • ELECTRICAL
    SAFETY ADVISOR
    Tim Davis
    Hi my name is Tim Davis. I’m a father to two beautiful little girls, twin boys and I am happily married to my wife Jennifer. I grew up in Rockville Maryland and attended Rockville High School. After graduating, I attended Penn State University and majored in Architectural Engineering. I have worked for Electrical Connections since 2011. I chose to work here because of the positive company culture and they always do right by the customer. I can’t wait to provide you with outstanding service, as I know you will be extremely happy with our work. Hope you have a blessed day!
Electrical Connections LLC - Josh Neal
  • ELECTRICAL
    SAFETY ADVISOR
    Josh Neal
    Hello I’m Josh. I was born and raised in Austin Texas and now live in Maryland. I have over 14 years of experience as and electrician. I started out in the US Coast Guard (right out of High School) where I learned the electrical trade. I was trained in AC/DC voltages, generators, and much more. I have been working on the civilian side of the field for 3 1/2 years now. I am married with a daughter and they mean everything to me. If you have an electrical issue or want to make some electrical improvements, then I am the right guy for the job.
Electrical Connections LLC - Jose Rivera
  • ELECTRICAL
    SAFETY ADVISOR
    Jose Rivera
    Hi my name is Jose. I attended two Gaithersburg and Thomas Edison High Schoo of Technology. At Thomas Edison High School of Technology, I learned about electrical theory and fundamentals of the electrical trade. After graduating high school I continued my studies at Montgomery College in the electrical industry. I have many years experience in the electrical construction field and electrical service field. Working at Electrical Connections has furthered my knowledge of residential electrical systems and real world problems. I have a young daughter who is two years old and I love showing her what the world has to offer.
Electrical Connections LLC - Edwin
  • MAINTENANCE AND
    INSPECTION TECHNICIAN
    Edwin
    Hi, my name is Edwin. I graduated from Clarksbrug High School and have been with Electrical Connections for a little over a year. When I came to Electrical Connections. I only knew the basics of electrical work. Fortunately for me, Electrical Connections has a great team that has taken the time to train me which has allowed me to better service you. I pride myself in the work I do and have a very competitive mindset which motivates me to always do my best. In my spare time I like to play all kinds of sports, but my favorites are soccer and lifting weights. I also enjoy reading fiction novels. I am always willing to learn new things and give my 100% to my customers.