William Company Inc.Insulation contractor in Casper, WY
William Company Inc. is an insulation contractor at 7220 W Derick Dr, Casper, WY 82604, ranked #2 of 6 insulation contractors in Casper and rated 4.9 from 11 Google reviews. Open Monday to Friday.
Casper, WYUpdated 0 paid placements in any rankingHow we rank
Key facts
| Address | 7220 W Derick Dr, Casper, WY 82604Get directions |
|---|---|
| Phone | (307) 235-1965 |
| Hours | Monday to Thursday: 7:30 AM – 5 PM; Friday: 7:30 AM – 12 PM |
| Google rating | 4.9 from 11 Google reviews |
Trades
Each trade shows the evidence we matched it on.
- Insulationmain tradeGoogle main category
Service area
Based in Casper, WYView on map
Opening hours
| Day | Hours |
|---|---|
| Monday | 7:30 AM – 5 PM |
| Tuesday | 7:30 AM – 5 PM |
| Wednesday | 7:30 AM – 5 PM |
| Thursday | 7:30 AM – 5 PM |
| Friday | 7:30 AM – 12 PM |
| Saturday | Closed |
| Sunday | Closed |
- Open evenings — no
- Open Saturdays — no
- Open Sundays — no
Typical insulation prices
| Job | Low | Typical | High |
|---|---|---|---|
| Attic insulationPer attic: typical range of customer-reported jobs (about $1 to $3 per sq ft). US national range | $1,700 | $2,100 | $2,500 |
Market ranges for the trade, checked October 2026, not a quote from this business. Ask for a written estimate.
Compare nearby insulation contractors
| Business | Rank | CR Score | Google rating | License verified | Saturday | Sunday | Distance away |
|---|---|---|---|---|---|---|---|
| William Company Inc. (this business) | — | 56 | 4.9 (11) | — | No | No | |
| Ace Handyman Services Casper | #3 | 55 | 4.6 (123) | — | No | No | 5.5 mi |
| Loenbro Industrial | #4 | 54 | 4.2 (6) | — | No | No | 4.4 mi |
Reviews
ContractorsRanked reviews
No ContractorsRanked reviews yet
4.9from 11 Google reviews
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Questions about William Company Inc.
How is William Company Inc. ranked in Casper?
William Company Inc. is ranked #2 of 6 insulation contractors in Casper by CR Score, with 56 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.
What are William Company Inc.’s hours?
William Company Inc. is open Monday to Friday. Its listed hours are Monday to Thursday, 7:30 AM – 5 PM; Friday, 7:30 AM – 12 PM. It is closed on Saturdays and closed on Sundays. Hours come from the business listing; holiday hours may differ.
What do Google reviews say about William Company Inc.?
William Company Inc. has a rating of 4.9 from 11 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.
How do I contact William Company Inc.?
Call William Company Inc. on (307) 235-1965. The business is at 7220 W Derick Dr, Casper, WY 82604. Ask for a written estimate before any work starts.
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