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PENTA — Construction ERP for Specialty Contractors

PENTA at a glance
VendorPenta Software, LLC (JDM Technology Group)
HeadquartersBrookfield, Wisconsin, USA
OwnershipJDM Technology Group (acquired February 2024, together with STRUXI)
DeploymentCloud hosting on AWS; on-premises historically supported
Target marketUpper-mid-market US specialty contractors (mechanical, electrical, heavy industrial) with combined construction and service operations
IndustriesMechanical, electrical, sheet metal, heavy industrial specialty contracting, field service
PricingPricing on request
Websitepenta.com

The short version

PENTA is a construction ERP for larger specialty contractors in the United States and Canada — mechanical, electrical, sheet metal, and heavy industrial firms that run project work and a field service business out of one back office. More than five decades on the market stand behind it. The functional bet is narrow on purpose: the accounting, payroll, and service workflows that separate specialty contracting from generic business software. In the upper mid-market it usually appears on shortlists next to Trimble Viewpoint Vista, CMiC, and Access Coins Evo.

The company behind it

Penta Technologies, founded in the 1970s and headquartered in Brookfield, Wisconsin, built the product. In February 2024 the JDM Technology Group acquired the company together with its sister product STRUXI, a labor productivity tool. JDM is a privately held, buy-and-hold software group focused on architecture, engineering, and construction; its portfolio also includes Computer Guidance Corporation, Explorer Software, JOBPOWER, and Maestro Technologies. The brand continues under the new owner as Penta Software, LLC. One correction worth carrying into due diligence: secondary sources sometimes attribute the acquisition to ServiceTitan, but the acquirer was JDM.

Core functionality

  • Job costing with real-time project cost and margin reporting
  • Financial management: general ledger, payables, receivables, multi-company accounting
  • Construction payroll, including union rates, prevailing wage, and multi-state processing
  • Field service management with work orders, dispatch, and technician mobile tools
  • Equipment and fixed asset management for heavy-equipment fleets
  • Document imaging and workflow automation

Typical customers

Upper-mid-market and enterprise specialty contractors, including references with revenues in the hundreds of millions to billions of dollars. The sweet spot: a firm that combines project construction with a substantial service division and needs union-grade payroll in the same system as its job costing. Small trade shops and residential builders are not the audience.

How it is sold

The vendor promotes cloud hosting on Amazon Web Services as the standard operating model; on-premises installations have historically been supported as well. Pricing is not published, and quotes come on request, which is typical for this segment. Budget for a substantial implementation project, and run a structured TCO calculation when comparing PENTA against subscription-first rivals.

Editorial verdict

The strongest argument for PENTA is its payroll engine. A large mechanical, electrical, or heavy industrial contractor whose hardest system requirement is union rates, prevailing wage, and multi-state processing, all in the same database as job cost and service work orders, will find roughly fifty years of accumulated depth in exactly that combination, and broader suites struggle to match it. The economics only work at that scale, though: for residential or single-trade operations, a lighter job-costing package delivers most of the value at a fraction of the project effort, because the service and payroll machinery that justifies PENTA's price would sit unused. Due diligence should concentrate on two questions. First, what has JDM actually invested in the product since the February 2024 acquisition (new releases, AWS-hosted capabilities, mobile field tools), and which of those commitments carry dates. Second, how the user experience compares in a side-by-side demo against newer SaaS competitors, since interface age is where a fifty-year-old product shows first. A structured selection process built on contractor-specific requirements belongs ahead of any shortlist.

What the PENTA website looks like

Current view of the vendor homepage, captured by our editorial team.

Screenshot of the PENTA vendor homepage

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Frequently asked questions

What kind of contractor is PENTA designed for?

Specialty contractors at the upper end of the mid-market and above: mechanical, electrical, sheet metal, and heavy industrial firms, with customer references reaching from hundreds of millions into the billions in revenue. The tell is organizational — if your company runs a construction division and a service division out of one back office and payroll complexity keeps your controllers busy, you match the profile. Residential and small single-trade shops do not.

How does PENTA handle payroll for union contractors?

This is the capability the product is famous for. Union rate tables, prevailing wage rules, and multi-state processing run natively alongside job costing and financials rather than in a bolted-on payroll service, backed by roughly 50 years of refinement. For a union-heavy contractor the practical benefit is fewer reconciliation gaps between payroll and job cost — put your own most complicated pay scenario in front of the demo team and watch it processed end to end.

How is PENTA deployed?

Today's standard model is cloud hosting on Amazon Web Services; historically, on-premises installations were common as well. Which model applies to your deal changes both infrastructure planning and the cost structure, so settle it in the first conversation rather than the last.

What does PENTA cost?

Quotes only, no public price list — normal for upper-mid-market construction software. The software fee is rarely the decisive number anyway: implementation, data conversion, and training dominate multi-year cost at this scale, which is why a structured TCO calculation against subscription-first rivals belongs in every evaluation.

How long does a PENTA implementation typically take?

No official figure exists, and projects of this class run anywhere from several months to over a year. The two schedule-killers are predictable: payroll conversion, because union rules and rate histories must survive the move intact, and historical job cost data. Front-load the data migration planning and phase the module rollout, and the schedule stays realistic.

Who owns PENTA now?

JDM Technology Group, since February 2024 — the deal included sister product STRUXI. JDM buys construction-software brands to hold them, not to flip them, with Computer Guidance, Explorer Software, JOBPOWER, and Maestro Technologies already in the stable. Note for your paper trail: some secondary sources wrongly name ServiceTitan as the buyer; the acquirer was JDM.

What should we ask the vendor about after the acquisition?

Ask what changed and what will: development headcount on the product since the JDM deal, dated roadmap items for the AWS-hosted platform and mobile field tools, and the support and pricing policy for existing on-premises customers. Answers with dates and numbers beat statements of intent, and comparing the interface directly against a newer SaaS rival in the same demo cycle shows quickly where the product's age sits.