Enquirer Consulting Group

Porter Precision Products Buyer Map

Craig Padget | Porter Precision Products | October 2026

As of 16 Oct 2026

This page maps the US metal stampers and tool and die shops that buy punches, dies and die components, sorted by type and size, with who usually signs off at each.

It is built around what Porter Precision Products says on its own website: inch and metric punches, dies and retainers interchangeable or equivalent to the ISO standards, die components and springs, custom details made to print, and cryogenic treatment and coatings.

The counts are firms, not sites, and they are rounded on purpose.

Where the buyers sit

US firms by employer size. Each group runs stamping dies or builds dies and tooling. The tool and die count also takes in jig and fixture makers and dies for other trades, so read it as the outer edge.

GroupOrganizations in the USUnder 20 staff20 to 99100 to 499500 or more
Automotive metal stampersabout 540about 150about 190about 130about 73
Other metal stampers, including closures and general stampingabout 1,000about 520about 360about 120about 50
Tool and die shops, die set, jig and fixture makersabout 2,000about 1,400about 370about 86about 54
Manufacturers that run their own press rooms, such as appliance and electrical makersno clean public count

US firm counts by industry code, banded deliberately.

Who usually signs off

At a stamper the tool room usually picks the parts, and purchasing places the order.

RoleWhere they sit in the decisionWhat they weigh
Tool room or die shop managerChooses the punches and components that go into each dieWear life, fit with the die, parts on the shelf when a punch breaks
Purchasing manager or tooling buyerPlaces the order and keeps the approved supplier listLead time, a second source for standard parts, steady quality
Tooling or die design engineerSpecifies parts on new die buildsStandard sizes, inch and metric, parts made to print
Plant or operations managerSigns off when downtime or scrap is the problemPress uptime, fewer die changes, less scrap
Owner or presidentFinal sign-off at most independent tool and die shopsMargin on each die build, suppliers who deliver on time

Where the work usually gets hard

GroupWhere it usually gets hard
Automotive metal stampersLong runs at high speed, where a worn or broken punch stops a press line
Other metal stampersMany part numbers and die changes, with a mix of inch and metric tooling
Tool and die shopsNew die builds on tight dates, where every standard part has to arrive on time
Manufacturers with their own press roomsA small tool room that keeps older dies running with replacement parts

When the conversation usually opens

When a new program or model launch starts a round of new die builds.

After a run of punch breakage or galling on a high volume job.

When a current supplier's lead times slip and the tool room needs a second source.

When a shop moves work between inch and metric tooling or takes on a customer with its own standards.

Ten people to start with

The people who usually sign at the groups above, one a company. Work emails and phone numbers checked on Oct 16, 2026.

NameRoleCompanyWhereEmailPhone
Chuck MathenySr. Manufacturing Engineer II & Tool Room ManagerAmsted AutomotiveGeneva, ILcharles.matheny@amstedauto.com+1 812 653 2514
Michael Holcombtool room managerDiamond Manufacturing CompanyWyoming, PAmholcomb@diamondman.com+1 205 353 4363
Mike WilliamsTooling ManagerRamco Specialties IncCuyahoga Falls, OHmwilliams@ramcospecialties.com+1 330 479 6313
Adam BruursemaTooling ManagerWilkast IncGrand Rapidsadam@wilkast.com+1 231 349 8990
Paul GouldTooling ManagerPridgeon & ClayGreenville, MIpgould@pridgeonandclay.com+1 616 318 2168
Randy HollandTooling ManagerNIC Global Manufacturing Solutions.Nashville+1 615 579 9686
Tim GearhartTool Room SupervisorSacoma Specialty Products, LLCGreensburg, INtgearhart@sacoma.com+1 812 593 8870
Darren Petersontool room supervisorR&M Manufacturing Co., LLC a division of Arise Industrial ManufacturingSt. Francis, MNdpeterson@rmmco.com+1 919 754 7504
Jerry SzaboPurchasing ManagerGeneral Stamping & MetalworksSouth Bend-Mishawaka Regionjerry.szabo@gsmwinc.com+1 574 360 5958
Vinayaka Nittoor Venkata RamuPurchasing ManagerAngstrom NA LLCDetroit, MIvramu@angstrom-usa.com+1 313 398 3683

Where to start

Offer a second source for standard parts

Your site says your punches, dies and retainers are interchangeable or equivalent to the ISO standards, and your die components are interchangeable with popular brands as replacements. That makes a second source conversation with the purchasing manager a natural first step.

Lead with wear life on long runs

Your site offers deep cryogenic treatment and a range of coatings to improve wear resistance and reduce galling. Stampers running long, high speed jobs feel punch wear most, so asking where their tooling wears fastest is a natural first question.

Help tool and die shops on new builds

Your site says you make custom punches, dies and details to the customer's prints, and offer machining beside them. Tool and die shops building new dies need standard and custom parts together, which makes them a natural first list.

Built from public federal business counts and Porter Precision Products' own website, counts banded deliberately.

If a walk-through is useful, pick a time at cal.com/ecg.

Prepared by Ben Beattie, ben@enquirerconsulting.com.