we are the only ones who do what we do

mechanical • electrical • plumbing • fire protection consulting engineering services

VOTE FOR US!

Please vote for Dimitri J. Ververelli, Inc. as your favorite Engineering Firm!

Go to www.votephillyfaves.com -> select Services -> Engineering Firm

Mechanical Engineering

Electrical Engineering

Plumbing & Fire Protection Engineering

Known for our reliable, innovative designs and thorough documentation, we’re committed to helping our clients succeed—on time and with care. Whether it’s new construction, renovations, or upgrades, we work closely with commercial, industrial, and institutional partners to deliver smart, well-integrated engineering solutions.

More about us

Learn more

98% of our work is repeat business - we like who we work with!

72% of our work is DIRECT - the end users know who to call

61 years - DJVI is regionally anchored, with strong local relationships, code familiarity, and project-history

creative, efficient design that is mindful of the practicalities of execution

Follow us on social!

Can confirm. #airconditioningisawonderfulthing
DJVI is very proud to sponsor this evening’s @rdgterminalmkt Party for the Market! Our favorite place in the city and perhaps one of our most delicious client destinations!! #airconditioningisawonderfulthing
Hey! Voting is still happening! www.votephillyfaves.com - SERVICES - ENGINEERING- us! #phillyfavorites #airconditioningisawonderfulthing
🙃 We are not your big box engineering firm. When you call our office, someone will answer the phone. We care deeply about your projects and will not assign the JV squad to design your job - the only JV we have is the Principal-in-Charge. #aircondit
Won’t you be our Valentine? ♥️💌💕♥️ #airconditioningisawonderfulthing
JUST TRYING TO GET THROUGH THE WEEK! p.s. did you vote for us? #airconditioningisawonderfulthing
VOTE FOR US! Please vote for us in this year’s @phillyinquirer #phillyfavorites! Go to www.votephillyfaves.com (link in bio), select “SERVICES” -> ENGINEERING FIRMS and you’ll see us! Thanks everyone! #airconditioningisawon
Did you guys get our email last week?? If not let us know and we’ll add you to the list! We are excited to share a leadership transition that positions the firm for continued growth and builds on the values that have guided us for years. A ve