The other woman shot in the incident was taken to hospital, where doctors said her injuries were not life-threatening.
After carrying out the shooting, Na'alowa fled the scene, prompting a large-scale search of the area and a deployment of additional troops to the West Bank to prevent copycat attacks, the army said.
IDF, Shin Bet and Border Police forces continued operations in the village of Shuweika, near Tulkarem, the home of Ashraf Na'alowa, 23, who on Sunday killed coworkers Kim Levengrond Yehezkel, 28, and Ziv Hajbi, 35, and wounded Sara Vaturi, 54, using a locally produced Carlo-style submachine gun.
Following the Sunday attack, members of Na'alowa's family and others were arrested by the IDF and interrogated by the Shin Bet security service to determine if they assisted him in the terror attack or in his escape from the scene, the army said.
The suspected assailant worked at the park, which employs both Israelis and Palestinians.
He was certain the perpetrator would be caught and brought to justice.
Yankees make Price pay to square ALDS at a win apiece
He pitched for the Yankees in 2015 and '16 before injuring his elbow, which required Tommy John surgery for the second time. Like when you throw 100 and you place it in the right spot, even if they take a good swing, you can get missed hits.
F1: Lewis Hamilton wins Japanese GP, Sebastian Vettel finishes sixth
I had lost a lot of downforce, but there was not much I could do. "I am just grateful to have delivered". Force India's Esteban Ocan was ninth while Renault's Carlos Sainz rounded out the top 10.
Nokia 7.1 Smartphone with PureDisplay & Nokia True Wireless Earbuds Launched
Alongside the Nokia 7 .1, HMD Global also took the wraps off a new pair of wireless earbuds, dubbed TrueWireless Earbuds. The device has a dual camera setup on the back, with 12MP and 5MP sensors that are capable of enabling Bothies.
Palestinian militant groups praised the attack, calling it revenge for Israeli "crimes" towards the Palestinians.
Barkan industrial park is next to the settlement of Barkan and was established in the early 1980s.
Speaking with Channel 10 television, Bodankin said the suspect had entered the offices to fix an electrical problem, only to open fire at a secretary and senior manager sitting nearby.
Israel settlements are considered illegal under worldwide law and major stumbling blocks to peace as they are built on land the Palestinians see as part of their future state.
Last month, a Palestinian teenager stabbed to death the US-born settler Ari Fuld, a well-known pro-Israel advocate, at a shopping centre in Gush Etzion.
A wave of Palestinian attacks against Israelis broke out in 2015, but they have since become sporadic.
Israeli leaders blame Palestinian violence, "incitement" and intransigence for the lack of progress in peace efforts.