REOTEMP
Last checked: Oct 25, 2026
The full answer: Is REOTEMP Made in USA?Verification Summary
American Score
Manufacturing Location
San Diego, CA
Headquarters
San Diego, CA
Founded
1965
Products Verified
8 products
Evidence Breakdown
Factory Location Specificity
Specific factory city identified
Website Claim
The brand's website says it makes its products in the USA
Manufacturing History
Long record of US manufacturing
Known Overseas Production
No imported lines on record
Verification Notes
Instrument manufacturer founded in 1965. Manufactures thermometers, pressure gauges and compost thermometers at its facility at 10656 Roselle Street, San Diego, CA. Website contact page lists this address as 'Manufacturing' and the site calls Reotemp a US manufacturer. ISO 9001:2015 certified.
Brand evidence is re-checked on a rolling cycle
Quick Picks
Manufacturing Profile
REOTEMP manufactures at its factory in San Diego, CA. Founded in 1965, 61 years ago. The 8 REOTEMP listings here sit in garden & patio.
Verification tier
98% average
Very High: strong brand evidence plus city-level origin statements for the products
Factory evidence
Specific city
San Diego, CA
Catalog breadth
8 products
1 category
How we verified REOTEMP
Most recent check: Oct 25, 2026
Store listings
We read the live store listing for 8 of the 8 REOTEMP products on this page (most recently Oct 25, 2026). 2 of them state US origin on the listing itself:
- “Made in The USA” on REOTEMP Heavy Duty Compost Thermometer - Fahrenheit and Celsius (36 Inch Stem)
- “Made in The USA” on REOTEMP Heavy Duty Compost Thermometer - Fahrenheit and Celsius (48 Inch Stem)
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REOTEMP was founded in 1965 and makes the products listed here in San Diego, CA. The site lists 8 verified American-made REOTEMP products.
Heritage & History
Reotemp has manufactured pressure and temperature instrumentation since 1965 and describes itself as a globally recognized US manufacturer. Its line covers bimetal thermometers, pressure gauges, diaphragm seals, RTDs, thermocouples, pressure transmitters, thermowells and compost thermometers, serving refining, food and beverage, brewing, pharmaceutical, water and power markets.
The company sells through a distribution network that reaches all 50 states and about 30 countries, and its quality system is ISO 9001:2015 certified by TUV SUD. In composting, Reotemp is known for heavy-duty long-stem compost thermometers and its CompostWatch monitoring systems.
Made in San Diego, California
Reotemp lists its manufacturing location at 10656 Roselle Street in San Diego, California, with a receiving facility nearby on the same street and an additional office in Houston, Texas. Its instruments, including compost thermometers, are produced as standard and application-specific builds.
The company says its focus is manufacturing quality instruments with quick standard lead times and continuous improvement, and its stated mission includes providing all employees a fulfilling work environment.
Frequently Asked Questions
Is REOTEMP made in the USA?
Yes, for the 8 products listed here. REOTEMP manufactures in San Diego, CA. Reotemp Instrument Corporation has manufactured temperature and pressure instrumentation since 1965. It makes bimetal thermometers, pressure gauges and compost thermometers at its manufacturing site in San Diego, California.
Where is REOTEMP manufactured?
REOTEMP is headquartered in San Diego, CA. Manufacturing takes place in San Diego, CA.
What REOTEMP products can I buy?
The site lists 8 REOTEMP products in Garden & Patio. Each one links to a store that sells it.
When was REOTEMP founded?
REOTEMP was founded in 1965. Reotemp Instrument Corporation has manufactured temperature and pressure instrumentation since 1965. It makes bimetal thermometers, pressure gauges and compost thermometers at its manufacturing site in San Diego, California.
Where can I buy REOTEMP products?
Every REOTEMP product listed here links to a store that sells it, either a large online retailer or the brand's own shop.
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