Injection Molding shops in Texas

Compare listed injection molders in Texas by process fit and whether the quote matches the work on the print.

Clusters this page covers

  • Prototype and soft-tool cells for design learning and short runs
  • Production molders running multi-cavity tools with process control
  • Insert, overmold, and engineered-resin specialists
  • Mold makers that also sample, versus molders that only run a tool you already own

Selection rules

  1. State whether the quote is a prototype tool, a bridge tool, or a production tool. Those are three economics.
  2. Ask who designs, owns, and maintains the tool — and where it lives after sampling.
  3. Require the same resin grade, color, cavitation, and validation assumption from every molder.
  4. Separate a mold maker from a molder. Some companies are both. Most quotes are not.
  5. Use a state page when tryout visits or resin freight matter. Use this national page when the resin or process is uncommon.
  6. Directory listing is not a process window. Confirm press tonnage, resin, and validation with the plant.

When to use a prototype cell, a production molder, or a mold maker

Injection molding is a tool decision first and a piece-price decision second. Choose the operating model before you compare listed plants.

When this is the jobUseWhy
A design that still has to change, or a few hundred parts to learn fromPrototype or bridge molderYou are buying speed and change, not a tool that has to last 500,000 shots.
A released part with annual volume and a packaged-delivery assumptionProduction molderThe award is process control, cavitation, and tool life — not first-article heroics.
A new tool that has to be designed, built, and sampled before productionMold maker, or a molder that owns tool buildThe first deliverable is a tool that can run, not a box of parts.

How to source this work

Use an injection molder for repeat polymer parts where resin, tooling, process control, and lifetime volume determine cost and quality.

Include in the RFQ

  • 3D model with draft and critical dimensions
  • resin grade, color, and additives
  • prototype and production quantities
  • tool ownership and expected tool life
  • cosmetic, dimensional, and packaging requirements

Questions that separate suppliers

  • Who performs mold design, build, sampling, and maintenance?
  • How are resin traceability and process parameters controlled?
  • What is included in first-article and production validation?

Questions this page can answer

How should a buyer compare injection molders?

Start with resin, press fit, and whether the quote is prototype or production. Then compare tool ownership, cavitation, and validation. Listed counts show who is in the directory. They do not prove current press time.

What belongs in an injection-molding RFQ?

A 3D model with draft, resin grade, color, quantity, tool-ownership terms, and cosmetic or dimensional acceptance. Missing tool life or validation assumptions is why piece prices cannot be compared.

Listed Injection Molding Companies in Texas

Results are ordered alphabetically. Inclusion is based on the matching process or industry recorded on each published profile.

All-Plastics LLC

📍 Addison, TX
Specialties: Scientific Injection MoldingPrecision MoldingTool Room ServicesQuality Testing

All-Plastics LLC is a precision injection molding manufacturer based in Kerrville, Texas, specializing in scientific molding techniques with exception...

Chemplast Inc

📍 Stafford, TX Est. 2000
Specialties: Plastic Injection MoldingAutomotive ComponentsCustom Plastic PartsPrecision Manufacturing

Chemplast Inc is a family-owned plastic manufacturing company based in Stafford, Texas, specializing in comprehensive injection molding and precision ...

Cypress Industries

📍 Austin, TX
Specialties: Plastic Injection MoldingCustom Cable AssembliesWire HarnessesControl Panels

Cypress Industries is a leading global contract manufacturer headquartered in Austin, Texas, specializing in comprehensive electronics manufacturing a...

D&L Tooling and Plastics Inc

📍 Jacksonville, TX Est. 1968
Specialties: Injection MoldingTool MakingPrecision MoldsHot Stamping

D&L Tooling and Plastics Inc stands as a premier injection molding manufacturer with over 50 years of experience serving Jacksonville, Texas and beyon...

Plastic Molding Technology

📍 El Paso, TX Est. 1973
Specialties: Precision Injection MoldingAutomotive ComponentsIATF 16949 CertifiedHigh Volume Production

Plastic Molding Technology stands as a premier manufacturing leader in El Paso, Texas, specializing in precision injection molding and thermoforming s...

R&D Molders Inc

📍 Georgetown, TX Est. 1974
Specialties: Blow MoldingInjection MoldingMedical Device ManufacturingTool Making

R&D Molders Inc, established in 1974 and headquartered in Georgetown, Texas, stands as a premier plastics manufacturing company specializing in custom...

RMC Plastics Inc

📍 Houston, TX Est. 1966
Specialties: Custom Injection MoldingEnergy Industry PartsMedical Device ComponentsConstruction Products

RMC Plastics Inc is a premier injection molding manufacturer based in Houston, Texas, with over 50 years of continued operation in the plastics indust...

T&R Tooling LLC

📍 Valley View, TX Est. 2006
Specialties: Plastic Injection MoldingTooling DesignMold Repair3D Printing

T&R Tooling LLC is a family-owned precision manufacturing company based in Valley View, Texas, specializing in comprehensive plastic injection molding...

Texas Injection Molding

📍 Houston, TX Est. 1992
Specialties: Injection MoldingInsert MoldingOvermoldingAssembly

Texas Injection Molding stands as a leading plastic manufacturing company serving Houston and the greater Texas region with comprehensive injection mo...

Injection Molding supplier landscape in Texas

UNITEMFG currently matches 9 published supplier profiles to Injection Molding in Texas, spanning 8 listed cities. The largest concentrations in the directory are Houston (2 suppliers), Addison (1 supplier), and Austin (1 supplier). This is a directory-derived view of available suppliers, not an estimate of the entire state market.

The capabilities most often named on matching profiles are Injection Molding (3 profiles), Plastic Injection Molding (3 profiles), and Automotive Components (2 profiles). The supplier set spans Plastics (7 profiles) and Automotive (2 profiles) among its most represented industries. Frequently listed material experience includes Thermoplastics (5 profiles), Engineering Plastics (3 profiles), and Medical Grade Plastics (3 profiles). Published certification fields most often mention FDA Registered (1 profile), ISO 9001:2015 (1 profile), and ITAR Compliant (1 profile).

Because the matching profiles span 8 cities, buyers can compare several local supplier markets rather than treating one metro as representative of the state. Use the listed capabilities as a first-pass filter, then require each shortlisted supplier to confirm that the relevant process is performed in-house, on suitable equipment, at the required scale.

Supplier locations

  • Houston2
  • Addison1
  • Austin1
  • El Paso1
  • Georgetown1
  • Jacksonville1
  • Stafford1
  • Valley View1

Commonly listed capabilities

  • Injection Molding3
  • Plastic Injection Molding3
  • Automotive Components2
  • Tool Making2
  • 3D Printing1
  • Assembly1
  • Blow Molding1
  • Construction Products1

Industries represented

  • Plastics7
  • Automotive2

Materials and credentials listed

  • Thermoplastics5
  • Engineering Plastics3
  • Medical Grade Plastics3
  • ABS2
  • PE2
  • PP2
  • Rubber Compounds2
  • Acetal1

This Texas market view is calculated from published UNITEMFG profiles whose process labels map to the Injection Molding cluster. Counts describe directory coverage, not independently audited capacity, quality, or availability.

How to source Injection Molding in Texas

Use injection molding suppliers for repeatable polymer parts where resin selection, tooling design, molding controls, and lifetime volume determine total cost and quality.

Include in the RFQ

  • 3D model with draft and critical dimensions
  • resin grade, color, and additives
  • prototype and production quantities
  • tool ownership and expected tool life
  • cosmetic, dimensional, and packaging requirements

Questions that separate suppliers

  • Who performs mold design, build, sampling, and maintenance?
  • How are resin traceability and process parameters controlled?
  • What is included in first-article and production validation?

Need Help Finding Injection Molding in Texas?

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