Methodology
The Published Standard
This directory judges modular engineering companies against five published criteria — verifiable licensure, discipline match, relevant project types, response discipline, and permit-ready deliverables. The criteria are the standard; they are printed here so any buyer can apply them to any company, listed or not.
The Five Criteria
| Criterion | What it demands, for a modular purchase |
|---|---|
| Verifiable licensure | The licensee who seals the work is licensed in the project's state, named per job, and verifiable on that state's board lookup — the only credential that makes a sealed set worth the paper. |
| Discipline match | Each discipline's sheets are worked and sealed by a licensee of that discipline — structural by structural, MEP by MEP, civil by civil — never one stamp stretched across another trade's work. |
| Relevant project types | The firm's documented work matches the buyer's actual purchase — building type, delivery method, and approval regime — not a generic claim of experience. |
| Response discipline | Findings, scope answers, and dates are issued in writing, in plain language, when promised — the discipline a buyer can test before any contract exists. |
| Permit-ready deliverables | Sets are issued as identified, recorded revisions — drawings, calculations, and letters a building department can act on without a second interpretation. |
How the Ranking Is Built
Each firm is read against the five criteria on the evidence a buyer can actually check: board lookups for licensure, the seal map for discipline match, documented project types, the firm's own written answers during evaluation, and the deliverable standard its sets are issued under. The order is the publisher's judgment of which door serves the most buyers best; the criteria — not the order — are the part any buyer can reuse against any firm, including firms this directory does not list.
Read This Directory for What It Is
Modular Engineering Companies is an affiliated directory, published by Apex Grid Engineering PLLC. The firms listed on this site are the publisher's own family of brands. They are presented, in ranked order, because the publisher operates them and stands behind the standard this site publishes — not because this directory surveyed the whole market. No firm pays for its position here, and no position here is an award.
This directory publishes no customer reviews or ratings, because a directory operated by the firms it lists would have no business grading its own customers' words. What it publishes instead is a methodology: the criteria are printed in full so any reader can judge any firm — listed here or not — by the same standard.
Modular Engineering Companies is published by Apex Grid Engineering PLLC — a company founded and led by Jeremy “Chico” Mills, Founder & CEO, a United States Air Force veteran. Engineering licensure belongs to the firm's licensed professional engineers, named per job and verifiable on the state board lookups. There is no email address or phone number on this site: the listed firms are reached on their own websites, through the doors above.