The JDH Engineering company source record lists 37 employees. The visible JDH Engineering management graph includes:
Ralph Den Hartigh
Partner at Jdh Engineering
2
0
General
(10)
Ralph Denhartigh
Owner, Jdh Engineering, Inc.
2
2
IT
(7)
Carl Robert
IT Manager at Jdh Engineering
0
0
Related company intelligence for JDH Engineering
10 with employee estimates
10 with websites
10 with social profiles
3 peer evidence types
Peer evidence source coverage
3 source-backed evidence types support this related-company graph.
employee benchmarks, website records, and social profiles
Employee benchmarks
10 / 10
10 of 10 related companies include employee estimates.
Website records
10 / 10
10 of 10 related companies include official website records.
Social profiles
10 / 10
10 of 10 related companies include company social profile signals.
Peer link quality filter
High-confidence peer link set
10 related companies met the 2-signal peer-link threshold. Eligible peers average 4.0 source-backed signals.
10
eligible
0
filtered
4.0
avg signals
Peer comparison matrix
Limited peer comparison
Compares this company with related-company evidence across employee scale and peer graph evidence.
employee scale and peer graph evidence
Employee scale
Near peer median size
This company
37 employees
Related peers
32 median peer employees
5 related employee-estimated peers are higher and 5 are lower.
10 related companies with employee estimates
Peer graph evidence
Multi-signal peer benchmark evidence
This company
Partial peer evidence graph
Related peers
3 benchmark dimensions
Peer benchmark combines 10 related companies with peer graph strength, size benchmark, and size position. Underlying peer graph includes 3 evidence types: employee benchmarks, website records, social profiles.
employee benchmarks, website records, social profiles
Peer benchmark evidence
Multi-signal peer benchmark evidence
Peer benchmark combines 10 related companies with peer graph strength, size benchmark, and size position. Underlying peer graph includes 3 evidence types: employee benchmarks, website records, social profiles.
peer graph strength
size benchmark
size position
Peer position benchmark
Employee-scale peer position benchmark
Peer-position benchmark shows employee scale above 50% of 10 comparable related peers.
Directional peer-position evidence:
Peer-position evidence combines employee scale above 50% of 10 comparable related peers from related-company records.
Employee scale: 50%
Peer graph strength
Partial peer evidence graph
Related peer graph has employee benchmarks, website records, and social profiles across 10 related companies.
Peer median size
32 employees
Largest peer by size
Wiss, Janney, Elstner Associates, Inc.
927 employees
JDH Engineering size signal
37 employees
Peer size comparison
5 larger · 5 smaller
Peer scale position
Near peer median size
5 related employee-estimated peers are higher and 5 are lower.
JDH Engineering people graph sample
-
Ralph Denhartigh
Owner, Jdh Engineering, Inc.
Grandville, Michigan, United States2 email signals on jdheng.com2 phone signals available
-
Ralph Den Hartigh
Partner at Jdh Engineering
Jenison, Michigan, United States2 email signals on jdheng.com -
Jon Handy
Engineer at Jdh Engineering, Inc.
Coatesville, Indiana, United States2 email signals: 1 email signal on jdheng.com, 1 non-official email signal
How AeroLeads builds company intelligence
Use source-backed company records
AeroLeads combines company source fields, workforce samples, email-pattern aggregates, and related-company records when those signals are available.
Show only available evidence
Blank source fields are omitted. Contact channels are summarized as signals, with raw email addresses and phone numbers masked on public pages.
Compare useful company context
Related company, market, workforce, technology, and management signals help turn a static company listing into a company intelligence page.
Contact research
AeroLeads intelligence
Review reachable contact coverage for JDH Engineering
AeroLeads maps 3 visible contact signals for JDH Engineering. Coverage is multi-channel contact coverage.