A New Firm.
A Proven Team.
CoreX Engineers LLC is a USA-registered MEP engineering design firm. We’re new as a company, but our team brings over 20 years of combined hands-on experience producing high-quality, code-compliant mechanical, electrical, and plumbing designs.
While CoreX is a new company, the people behind it are not. Our certified HVAC and plumbing designers and our experienced electrical design team have spent years delivering complex MEP projects for consulting firms, architects, and developers across the United States.
We started CoreX with one goal — to be the kind of MEP design partner clients can rely on without second-guessing: technically sharp, responsive, and accountable on every set we deliver. With 50+ projects already delivered, we’re just getting started.
What drives us every day
To deliver exceptional MEP engineering design that exceeds client expectations — through technical precision, deep collaboration, and an unwavering commitment to quality on every project we touch, regardless of scale or complexity.
Where we are headed
To be the most trusted MEP design partner in the United States — known as much for our reliability and integrity as for our technical excellence.
Our Values: The Principles Behind
Every CoreX Deliverable
Quality
Excellence is non-negotiable at CoreX. We are committed to delivering top-tier MEP engineering designs that meet and exceed our clients’ expectations — from the first plan review to the final permitted drawing.
Accountability
We take ownership of our work, not just the document. We stand behind every calculation and coordinated set we deliver — and when something in our work needs correcting, we take responsibility and resolve it.
Collaboration
We value teamwork and partnership above everything. We work closely with our clients, understanding their project vision — ensuring every deliverable is a true reflection of shared effort and mutual success.
Integrity
We believe in doing the right thing, every single time. From honest project assessments to straightforward communication, CoreX operates with complete transparency — building trust that lasts far beyond a single project.
A Process Built
For Results
At CoreX, the engineering process is built to feel structured and predictable from day one. Before any design work begins, we take the time to understand every plan you send — architectural drawings, consultant documents, and project scope — so design starts with real clarity, not assumptions.
Our leadership team brings 20+ years of combined MEP experience to every project, asks detailed questions early, and stays with the work from the plans you hand us all the way to a permit-ready package.
The Engineering Partner
You Always Wanted
Firms partner with us not just because the engineering is sound, but because we make the whole project easier to run — clear coordination, agreed turnarounds, and issues flagged early. We believe great engineering should never come at the cost of your deadlines or your confidence.
We’re not your typical hands-off, back-end design team. We roll up our sleeves, dig into the hard questions early, coordinate across every discipline, and stay engaged through plan check, permitting, and into construction.
Wait! There’s more...
Exceptional Team
Our team brings technical expertise, certifications, and a passion for engineering excellence. Clients choose us for the depth of knowledge and dedication we bring to every project.
Proven Track Record
With 50+ projects successfully delivered across the USA, we have consistently produced high-quality MEP designs that earn the trust and confidence of our clients time and again.
Collaborative Approach
We don’t just work for our clients — we work with them. Our collaborative spirit ensures every project is a true partnership, with clear communication and coordinated effort across every discipline.
Attention to Detail
We obsess over the finer points of every design. Every calculation, drawing, and submittal is carefully reviewed, and thorough detailing helps reduce coordination-related RFIs once construction begins.
Nationwide Delivery
We serve MEP firms, architects, and developers across the USA — delivering consistent quality and code-compliant designs built to each state’s regulations and jurisdiction requirements.
Permit-Ready Plans
Our disciplined pre-design process and rigorous QA/QC prepare coordinated sets for your engineer of record’s review and city plan check.
For MEP Consulting Firms
Bring us in for overflow or full-scope production and we work as a true extension of your team — to your templates, title blocks, and standards, so the set reads as your own. You keep the client relationship and the seal; we carry the production load, work to agreed milestones, and keep your QA painless.
For Architects
You carry the design vision and the client relationship — we plan the MEP to work with your schedule, not against it. We coordinate directly around your drawings, flag conflicts before they reach the field, and deliver permit-ready sets prepared for your engineer of record’s review and plan check — so the engineering reflects well on you.
For Contractors & Design-Builders
We engineer for the field, not just the page. Cleanouts your crews can actually reach, equipment that fits the space, documents coordinated across trades to help keep RFIs from stopping your work. On a design-build, you get sets built to install — aimed at fewer surprises, fewer change orders, and a cleaner job.
Certified + Experienced Designers.Standards You Can Trust.
Certified HVAC Designer
Senior Mechanical Designer · ASHRAE certified
Certified in Plumbing Design
Senior Plumbing Designer · ASPE certified
Senior Electrical Designer
NEC Design & Plan Review
Ritwik Pandey
FOUNDER & PRINCIPAL — COREX ENGINEERS LLC
Ritwik is a senior electrical designer with 6+ years in U.S. MEP design and multidisciplinary coordination. Across his career he’s contributed to 900+ projects — from custom homes and tenant improvements to healthcare facilities, commercial and industrial buildings, and mission-critical data centers. What sets him apart is that he’s worked both sides of the table: not just design engineering, but third-party peer and plan reviews, and code-compliance evaluation. That reviewer’s perspective gives him an uncommon read on what passes review.
Throughout his career, Ritwik has led engineering teams, developed QA/QC standards, mentored junior designers, and worked closely with architects, consultants, contractors, and authorities having jurisdiction to deliver coordinated, code-compliant solutions. His technical expertise spans electrical power distribution, lighting design, energy compliance, power system studies, and multidisciplinary BIM coordination.
“I started CoreX to be the kind of engineering partner I’d want on my own projects — responsive, obsessive about the details. When you bring us in, you’re not handing work to a vendor. You’re gaining a team that treats your project, your deadlines, and your reputation as our own.”