America's Number One Producer of PVC Fittings

At GPK Products, Inc., we believe in hard work because we know that makes our products the best in the business. Are you looking for a new and fun career with great benefits and opportunities for growth?

We're an equal opportunity employer. All applicants will be considered for employment without attention to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

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Featured Jobs

Position:  Night Shipper (WNF)

Reports To:  Shipping Leadperson

Job Summary: To efficiently stage, box and load product for shipment.  Communicate any work order discrepancies found to leadperson.

 General Duties:

  1. Correctly label, box and palletize product for shipment in a timely manner.
  2. Accurately complete paperwork as product is boxed to ensure correct product and quantities are shipped.
  3. Cross-reference molded pick sheet with molded product prior to loading.
  4. Ensure trailers are chocked before loading or unloading product.
  5. Maintain a clean and orderly work area.
  6. Communicate any operational problems to leadperson on loading equipment.
  7. Follow safe operating procedures for all loading equipment as well as general safety rules.
  8. Other duties as assigned by Management.
  9. Forklift and/or pallet rider jacks experience preferred but will train.
  10. Minimum of a week on days for training but up to 2 weeks if needed.


Essential Functions: Must be able to bend and stoop while stacking boxes on pallets. Lift up to 50 lbs. and occasionally lift up to 75 lbs. 


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Position:  Puller (WNF)

Reports To:  Leadperson

Job Summary:

To heat PVC pipe segments and accurately stretch out the sides for future components to be solvent welded to. 

1.   Perform setup procedures for the pipe to be worked on.

  1. Heater setup i.e. temperature setting, placement.
  2. Selection of correct tooling i.e., mandrel, heating pad.
  3. Puller shaft limit switch setting.
  4. Set machine cooling time according to guidelines provided.


  1. Place PVC pipe segment(s) onto heater.
  1. When pipe is heated properly, place mandrel into pipe and attach to hydraulic shaft through hole.
  2. Cool part down using wet towel.
  3. Stretch (pull) the part out so the lip is at least ¼" around the punch hole.
  4. After the part has been pulled, remove the mandrel from shaft and pipe segment.
  5. Make the part(s) if needed to identify the component part to be solvent welded into the body.
  6. Accurately record completed work on production sheet as well as rejects generated onto reject sheet.
  7. Clean up work area at the end of the shift. (10 –min. max)
  8. Follow Safe Operating Procedures and General Safety Rules.
  9. Other duties as assigned by Management.


Essential Functions: Must be able to bend and stoop, stand for long periods of time, read a tape measure. Lift up to 20 lbs. and occasionally lift up to 80lbs. 


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Position Title:  Molding Technician - Weekday

Reports To:  Molding Manager

Job Summary: 

Ensure that all molds, molding machines, and associated equipment are in safe, efficient operating condition. Perform “setup” and “change-over” duties.


Mold Maintenance

  1. Keep molds clean and store them away properly when not in use.
  2. Maintain a cleaning schedule for each mold.
  3. Do periodic checks of the mold in each molding machine. Lubricate pins, barrels, and watch for leaks.
  4. Maintain up-to-date mold logs and make special comments when warranted.


Mold Breakdowns

Mold Installation and Removal

Maintain proper operation of machine.

Machine checks to be made regularly.

Keep a list of parts & equipment to be ordered.

Follow all safety rules i.e. Lockout/Tag-out, Gantry, Forklift, PPE.

Other duties as assigned by Management.

Essential Functions:

Standing for long periods of time

Lifting up to 50 lbs.

Operating machinery

Able understanding operating procedures and warning signs


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Position Title:  Welder (WDF)

Reports To: Leadperson

Job Summary: To assemble two or more PVC pipe components using primer and solvent cement. The solvent welder applies the primer and solvent cement to the parts with a paintbrush. 

General Duties:

  1. Apply primer and solvent cement on PVC pipe, and assemble them according to established quality control guidelines.
  2. Use vice grips with brackets to clamp cemented parts together if needed.
  3. Accurately record completed work on welding production sheet.
  4. Assist the wiper when needed.
  5. Help the partsmover when directed by leadperson.
  6. Clean up work area at the end of the shift. (15-min. max)
  7. Follow Safe Operating Procedures and General Safety Rules.
  8. Other duties as assigned by Management.


Essential Functions:

Standing for long periods of time.

Lifting up to 10 lbs, occasionally 50 lbs.

Bending and stooping.


Open Positions

  • • Receptionist
  • • Molding Rover (C-Shift)
  • • Mold Technician (J-Shift)
  • • Twin Puller (Weekday Fab)
  • • Welder (Weekday Fab)
  • • Special Projects (Weekday Fab


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Molding - Shift Hours

Week Day: Mon
12:00 PM – 6:00 PM (5.5 hrs) AND
Tue – Thurs 6:00 AM – 6:00 PM (11.5 hrs) = 40 hrs

Week Night: Mon-Wed
6:00 PM – 6:00 AM (11.5 hrs) AND
Thurs 6:00 PM to 12 AM (5.5 hrs) = 40 hrs

Week End Day:
Fri-Sun 6:00 AM – 6:00 PM (11.5) AND
Mon 6:00 AM – 12:00 PM (5.5 hrs) = 40 hrs

Week End Night:
Thurs 12:00 AM – 6:00 AM (5.5) AND
Fri-Sun 6:00 PM – 6:00 AM (11.5 hrs) = 40 hrs

Mon-Thur 7:00 AM – 3:30 PM (8 hrs) AND
Fri 6:00 AM – 2:30 PM (8 hrs) = 40 hrs

Fabrication - Shift Hours

Wk. Day Fab. (WDF) 7:00AM – 3:30PM (8 hrs.) Mon.-Fri.

Wk. Night Fab. (WNF) 3:25PM – 1:55AM (10 hrs.) Mon.-Thur.

GPK Benefits

  • • Health
  • • Dental
  • • Life insurance
  • • 401(k) + match
  • • Health Savings Account
  • • Holiday pay
  • • Vacation
  • • Personal/Sick Time
Voluntary Benefits Include:
  • • Critical Illness
  • • Accident Disability
  • • Hospital Indemnity
  • • Short-Term Disability
  • • Long Term Disability
  • • Voluntary Group Life
  • • Discretionary Annual Bonus